1331 lines
48 KiB
C++
1331 lines
48 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <sal/types.h>
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#include <math.h>
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#include <string.h>
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#include <vector>
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#include <string>
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#include <gdk/gdkkeysyms.h>
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#include <com/sun/star/awt/Key.hpp>
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#define LOK_USE_UNSTABLE_API
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#include <LibreOfficeKit/LibreOfficeKit.h>
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#include <LibreOfficeKit/LibreOfficeKitEnums.h>
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#include <LibreOfficeKit/LibreOfficeKitGtk.h>
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#include <rsc/rsc-vcl-shared-types.hxx>
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#if !GLIB_CHECK_VERSION(2,32,0)
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#define G_SOURCE_REMOVE FALSE
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#define G_SOURCE_CONTINUE TRUE
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#endif
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#if !GLIB_CHECK_VERSION(2,40,0)
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#define g_info(...) g_log(G_LOG_DOMAIN, G_LOG_LEVEL_INFO, __VA_ARGS__)
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#endif
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// Cursor bitmaps from the Android app.
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#define CURSOR_HANDLE_DIR "android/source/res/drawable/"
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// Number of handles around a graphic selection.
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#define GRAPHIC_HANDLE_COUNT 8
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// We know that VirtualDevices use a DPI of 96.
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static const int DPI = 96;
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namespace {
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/// Sets rWidth and rHeight from a "width, height" string.
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void payloadToSize(const char* pPayload, long& rWidth, long& rHeight)
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{
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rWidth = rHeight = 0;
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gchar** ppCoordinates = g_strsplit(pPayload, ", ", 2);
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gchar** ppCoordinate = ppCoordinates;
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if (!*ppCoordinate)
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return;
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rWidth = atoi(*ppCoordinate);
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++ppCoordinate;
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if (!*ppCoordinate)
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return;
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rHeight = atoi(*ppCoordinate);
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g_strfreev(ppCoordinates);
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}
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}
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/// Holds data used by LOKDocView only.
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struct LOKDocView_Impl
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{
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LOKDocView* m_pDocView;
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GtkWidget* m_pEventBox;
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GtkWidget* m_pTable;
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GtkWidget** m_pCanvas;
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float m_fZoom;
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LibreOfficeKit* m_pOffice;
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LibreOfficeKitDocument* m_pDocument;
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long m_nDocumentWidthTwips;
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long m_nDocumentHeightTwips;
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/// View or edit mode.
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bool m_bEdit;
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/// Position and size of the visible cursor.
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GdkRectangle m_aVisibleCursor;
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/// Cursor overlay is visible or hidden (for blinking).
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bool m_bCursorOverlayVisible;
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/// Cursor is visible or hidden (e.g. for graphic selection).
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bool m_bCursorVisible;
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/// Time of the last button press.
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guint32 m_nLastButtonPressTime;
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/// Time of the last button release.
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guint32 m_nLastButtonReleaseTime;
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/// Rectangles of the current text selection.
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std::vector<GdkRectangle> m_aTextSelectionRectangles;
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/// Position and size of the selection start (as if there would be a cursor caret there).
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GdkRectangle m_aTextSelectionStart;
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/// Position and size of the selection end.
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GdkRectangle m_aTextSelectionEnd;
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GdkRectangle m_aGraphicSelection;
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bool m_bInDragGraphicSelection;
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/// @name Start/middle/end handle.
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///@{
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/// Bitmap of the text selection start handle.
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cairo_surface_t* m_pHandleStart;
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/// Rectangle of the text selection start handle, to know if the user clicked on it or not
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GdkRectangle m_aHandleStartRect;
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/// If we are in the middle of a drag of the text selection end handle.
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bool m_bInDragStartHandle;
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/// Bitmap of the text selection middle handle.
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cairo_surface_t* m_pHandleMiddle;
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/// Rectangle of the text selection middle handle, to know if the user clicked on it or not
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GdkRectangle m_aHandleMiddleRect;
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/// If we are in the middle of a drag of the text selection middle handle.
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bool m_bInDragMiddleHandle;
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/// Bitmap of the text selection end handle.
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cairo_surface_t* m_pHandleEnd;
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/// Rectangle of the text selection end handle, to know if the user clicked on it or not
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GdkRectangle m_aHandleEndRect;
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/// If we are in the middle of a drag of the text selection end handle.
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bool m_bInDragEndHandle;
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///@}
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/// @name Graphic handles.
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///@{
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/// Bitmap of a graphic selection handle.
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cairo_surface_t* m_pGraphicHandle;
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/// Rectangle of a graphic selection handle, to know if the user clicked on it or not.
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GdkRectangle m_aGraphicHandleRects[8];
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/// If we are in the middle of a drag of a graphic selection handle.
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bool m_bInDragGraphicHandles[8];
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///@}
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/// Callback data, allocated in lok_docview_callback_worker(), released in lok_docview_callback().
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struct CallbackData
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{
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int m_nType;
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std::string m_aPayload;
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LOKDocView* m_pDocView;
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CallbackData(int nType, const std::string& rPayload, LOKDocView* pDocView);
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};
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LOKDocView_Impl(LOKDocView* pDocView);
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~LOKDocView_Impl();
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/// Connected to the destroy signal of LOKDocView, deletes its LOKDocView_Impl.
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static void destroy(LOKDocView* pDocView, gpointer pData);
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/// Converts from screen pixels to document coordinates.
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float pixelToTwip(float fInput);
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/// Converts from document coordinates to screen pixels.
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float twipToPixel(float fInput);
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/// Receives a key press or release event.
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void signalKey(GdkEventKey* pEvent);
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/**
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* The user drags the handle, which is below the cursor, but wants to move the
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* cursor accordingly.
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*
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* @param pHandle the rectangle of the handle
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* @param pEvent the motion event
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* @param pPoint the computed point (output parameter)
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*/
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static void getDragPoint(GdkRectangle* pHandle, GdkEventButton* pEvent, GdkPoint* pPoint);
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/// Receives a button press event.
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static gboolean signalButton(GtkWidget* pEventBox, GdkEventButton* pEvent, LOKDocView* pDocView);
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/// Implementation of button press event handler, invoked by signalButton().
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gboolean signalButtonImpl(GdkEventButton* pEvent);
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/// Receives a motion event.
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static gboolean signalMotion(GtkWidget* pEventBox, GdkEventButton* pEvent, LOKDocView* pDocView);
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/// Implementation of motion event handler, invoked by signalMotion().
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gboolean signalMotionImpl(GdkEventButton* pEvent);
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/// Receives an expose event.
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static gboolean renderOverlay(GtkWidget* pWidget, GdkEventExpose* pEvent, LOKDocView* pDocView);
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/// Implementation of expose event handler (renders cursor and selection overlay), invoked by renderOverlay().
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gboolean renderOverlayImpl(GtkWidget* pEventBox);
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/// Is rRectangle empty?
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static bool isEmptyRectangle(const GdkRectangle& rRectangle);
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/**
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* Renders pHandle below an rCursor rectangle on pCairo.
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* @param rRectangle output parameter, the rectangle that contains the rendered handle.
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*/
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void renderHandle(cairo_t* pCairo, const GdkRectangle& rCursor, cairo_surface_t* pHandle, GdkRectangle& rRectangle);
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/// Renders pHandle around an rSelection rectangle on pCairo.
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void renderGraphicHandle(cairo_t* pCairo, const GdkRectangle& rSelection, cairo_surface_t* pHandle);
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/// Takes care of the blinking cursor.
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static gboolean handleTimeout(gpointer pData);
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/// Implementation of the timeout handler, invoked by handleTimeout().
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gboolean handleTimeoutImpl();
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/**
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* Renders the document to a number of tiles.
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*
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* This method is invoked only manually, not when some Gtk signal is
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* emitted.
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*
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* @param pPartial if 0, then the full document is rendered, otherwise only
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* the tiles that intersect with pPartial.
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*/
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void renderDocument(GdkRectangle* pPartial);
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/// Returns the GdkRectangle of a width,height,x,y string.
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static GdkRectangle payloadToRectangle(const char* pPayload);
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/// Returns the GdkRectangles of a w,h,x,y;w2,h2,x2,y2;... string.
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static std::vector<GdkRectangle> payloadToRectangles(const char* pPayload);
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/// Returns the string representation of a LibreOfficeKitCallbackType enumeration element.
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static const char* callbackTypeToString(int nType);
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/// Invoked on the main thread if callbackWorker() requests so.
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static gboolean callback(gpointer pData);
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/// Invoked on the main thread if globalCallbackWorker() requests so.
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static gboolean globalCallback(gpointer pData);
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/// Implementation of the callback handler, invoked by callback();
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gboolean callbackImpl(CallbackData* pCallbackData);
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/// Our LOK callback, runs on the LO thread.
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static void callbackWorker(int nType, const char* pPayload, void* pData);
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/// Implementation of the callback worder handler, invoked by callbackWorker().
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void callbackWorkerImpl(int nType, const char* pPayload);
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/// Our global LOK callback, runs on the LO thread.
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static void globalCallbackWorker(int nType, const char* pPayload, void* pData);
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/// Implementation of the global callback worder handler, invoked by globalCallbackWorker().
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void globalCallbackWorkerImpl(int nType, const char* pPayload);
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/// Command state (various buttons like bold are toggled or not) is changed.
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void commandChanged(const std::string& rPayload);
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/// Search did not find any matches.
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void searchNotFound(const std::string& rPayload);
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/// LOK decided to change parts, need to update UI.
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void setPart(const std::string& rPayload);
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};
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namespace {
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/// Implementation of the global callback handler, invoked by globalCallback();
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gboolean globalCallbackImpl(LOKDocView_Impl::CallbackData* pCallback)
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{
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switch (pCallback->m_nType)
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{
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case LOK_CALLBACK_STATUS_INDICATOR_START:
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{
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}
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break;
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case LOK_CALLBACK_STATUS_INDICATOR_SET_VALUE:
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{
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}
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break;
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case LOK_CALLBACK_STATUS_INDICATOR_FINISH:
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{
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}
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break;
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default:
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g_assert(false);
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break;
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}
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delete pCallback;
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return G_SOURCE_REMOVE;
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}
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}
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LOKDocView_Impl::CallbackData::CallbackData(int nType, const std::string& rPayload, LOKDocView* pDocView)
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: m_nType(nType),
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m_aPayload(rPayload),
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m_pDocView(pDocView)
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{
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}
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LOKDocView_Impl::LOKDocView_Impl(LOKDocView* pDocView)
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: m_pDocView(pDocView),
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m_pEventBox(gtk_event_box_new()),
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m_pTable(0),
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m_pCanvas(0),
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m_fZoom(1),
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m_pOffice(0),
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m_pDocument(0),
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m_nDocumentWidthTwips(0),
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m_nDocumentHeightTwips(0),
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m_bEdit(false),
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m_aVisibleCursor({0, 0, 0, 0}),
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m_bCursorOverlayVisible(false),
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m_bCursorVisible(true),
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m_nLastButtonPressTime(0),
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m_nLastButtonReleaseTime(0),
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m_aTextSelectionStart({0, 0, 0, 0}),
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m_aTextSelectionEnd({0, 0, 0, 0}),
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m_aGraphicSelection({0, 0, 0, 0}),
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m_bInDragGraphicSelection(false),
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// Start/middle/end handle.
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m_pHandleStart(0),
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m_aHandleStartRect({0, 0, 0, 0}),
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m_bInDragStartHandle(false),
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m_pHandleMiddle(0),
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m_aHandleMiddleRect({0, 0, 0, 0}),
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m_bInDragMiddleHandle(false),
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m_pHandleEnd(0),
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m_aHandleEndRect({0, 0, 0, 0}),
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m_bInDragEndHandle(false),
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m_pGraphicHandle(0)
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{
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memset(&m_aGraphicHandleRects, 0, sizeof(m_aGraphicHandleRects));
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memset(&m_bInDragGraphicHandles, 0, sizeof(m_bInDragGraphicHandles));
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}
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LOKDocView_Impl::~LOKDocView_Impl()
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{
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if (m_pDocument)
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m_pDocument->pClass->destroy(m_pDocument);
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m_pDocument = 0;
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}
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void LOKDocView_Impl::destroy(LOKDocView* pDocView, gpointer /*pData*/)
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{
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// We specifically need to destroy the document when closing in order to ensure
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// that lock files etc. are cleaned up.
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delete pDocView->m_pImpl;
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}
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float LOKDocView_Impl::pixelToTwip(float fInput)
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{
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return (fInput / DPI / m_fZoom) * 1440.0f;
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}
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float LOKDocView_Impl::twipToPixel(float fInput)
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{
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return fInput / 1440.0f * DPI * m_fZoom;
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}
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void LOKDocView_Impl::signalKey(GdkEventKey* pEvent)
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{
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int nCharCode = 0;
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int nKeyCode = 0;
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if (!m_bEdit)
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{
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g_info("signalKey: not in edit mode, ignore");
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return;
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}
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switch (pEvent->keyval)
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{
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case GDK_BackSpace:
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nKeyCode = com::sun::star::awt::Key::BACKSPACE;
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break;
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case GDK_Return:
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nKeyCode = com::sun::star::awt::Key::RETURN;
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break;
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case GDK_Escape:
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nKeyCode = com::sun::star::awt::Key::ESCAPE;
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break;
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case GDK_Tab:
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nKeyCode = com::sun::star::awt::Key::TAB;
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break;
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case GDK_Down:
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nKeyCode = com::sun::star::awt::Key::DOWN;
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break;
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case GDK_Up:
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nKeyCode = com::sun::star::awt::Key::UP;
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break;
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case GDK_Left:
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nKeyCode = com::sun::star::awt::Key::LEFT;
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break;
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case GDK_Right:
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nKeyCode = com::sun::star::awt::Key::RIGHT;
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break;
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default:
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if (pEvent->keyval >= GDK_F1 && pEvent->keyval <= GDK_F26)
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nKeyCode = com::sun::star::awt::Key::F1 + (pEvent->keyval - GDK_F1);
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else
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nCharCode = gdk_keyval_to_unicode(pEvent->keyval);
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}
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// rsc is not public API, but should be good enough for debugging purposes.
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// If this is needed for real, then probably a new param of type
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// css::awt::KeyModifier is needed in postKeyEvent().
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if (pEvent->state & GDK_SHIFT_MASK)
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nKeyCode |= KEY_SHIFT;
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if (pEvent->type == GDK_KEY_RELEASE)
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m_pDocument->pClass->postKeyEvent(m_pDocument, LOK_KEYEVENT_KEYUP, nCharCode, nKeyCode);
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else
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m_pDocument->pClass->postKeyEvent(m_pDocument, LOK_KEYEVENT_KEYINPUT, nCharCode, nKeyCode);
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}
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gboolean LOKDocView_Impl::signalButton(GtkWidget* /*pEventBox*/, GdkEventButton* pEvent, LOKDocView* pDocView)
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{
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return pDocView->m_pImpl->signalButtonImpl(pEvent);
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}
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/// Receives a button press event.
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gboolean LOKDocView_Impl::signalButtonImpl(GdkEventButton* pEvent)
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{
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g_info("LOKDocView_Impl::signalButton: %d, %d (in twips: %d, %d)", (int)pEvent->x, (int)pEvent->y, (int)pixelToTwip(pEvent->x), (int)pixelToTwip(pEvent->y));
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if (pEvent->type == GDK_BUTTON_RELEASE)
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{
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if (m_bInDragStartHandle)
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{
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g_info("LOKDocView_Impl::signalButton: end of drag start handle");
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m_bInDragStartHandle = false;
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return FALSE;
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}
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else if (m_bInDragMiddleHandle)
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{
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g_info("LOKDocView_Impl::signalButton: end of drag middle handle");
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m_bInDragMiddleHandle = false;
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return FALSE;
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}
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else if (m_bInDragEndHandle)
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{
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g_info("LOKDocView_Impl::signalButton: end of drag end handle");
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m_bInDragEndHandle = false;
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return FALSE;
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}
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for (int i = 0; i < GRAPHIC_HANDLE_COUNT; ++i)
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{
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if (m_bInDragGraphicHandles[i])
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{
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g_info("LOKDocView_Impl::signalButton: end of drag graphic handle #%d", i);
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m_bInDragGraphicHandles[i] = false;
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m_pDocument->pClass->setGraphicSelection(m_pDocument, LOK_SETGRAPHICSELECTION_END, pixelToTwip(pEvent->x), pixelToTwip(pEvent->y));
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return FALSE;
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}
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}
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if (m_bInDragGraphicSelection)
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{
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g_info("LOKDocView_Impl::signalButton: end of drag graphic selection");
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m_bInDragGraphicSelection = false;
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m_pDocument->pClass->setGraphicSelection(m_pDocument, LOK_SETGRAPHICSELECTION_END, pixelToTwip(pEvent->x), pixelToTwip(pEvent->y));
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return FALSE;
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}
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}
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if (m_bEdit)
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{
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GdkRectangle aClick;
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aClick.x = pEvent->x;
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aClick.y = pEvent->y;
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aClick.width = 1;
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aClick.height = 1;
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if (pEvent->type == GDK_BUTTON_PRESS)
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{
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if (gdk_rectangle_intersect(&aClick, &m_aHandleStartRect, NULL))
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{
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g_info("LOKDocView_Impl::signalButton: start of drag start handle");
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m_bInDragStartHandle = true;
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return FALSE;
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}
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else if (gdk_rectangle_intersect(&aClick, &m_aHandleMiddleRect, NULL))
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{
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g_info("LOKDocView_Impl::signalButton: start of drag middle handle");
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m_bInDragMiddleHandle = true;
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return FALSE;
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}
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else if (gdk_rectangle_intersect(&aClick, &m_aHandleEndRect, NULL))
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{
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g_info("LOKDocView_Impl::signalButton: start of drag end handle");
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m_bInDragEndHandle = true;
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return FALSE;
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}
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for (int i = 0; i < GRAPHIC_HANDLE_COUNT; ++i)
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{
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if (gdk_rectangle_intersect(&aClick, &m_aGraphicHandleRects[i], NULL))
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{
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g_info("LOKDocView_Impl::signalButton: start of drag graphic handle #%d", i);
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m_bInDragGraphicHandles[i] = true;
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m_pDocument->pClass->setGraphicSelection(m_pDocument,
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LOK_SETGRAPHICSELECTION_START,
|
|
pixelToTwip(m_aGraphicHandleRects[i].x + m_aGraphicHandleRects[i].width / 2),
|
|
pixelToTwip(m_aGraphicHandleRects[i].y + m_aGraphicHandleRects[i].height / 2));
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!m_bEdit)
|
|
lok_docview_set_edit(m_pDocView, TRUE);
|
|
|
|
switch (pEvent->type)
|
|
{
|
|
case GDK_BUTTON_PRESS:
|
|
{
|
|
int nCount = 1;
|
|
if ((pEvent->time - m_nLastButtonPressTime) < 250)
|
|
nCount++;
|
|
m_nLastButtonPressTime = pEvent->time;
|
|
m_pDocument->pClass->postMouseEvent(m_pDocument, LOK_MOUSEEVENT_MOUSEBUTTONDOWN, pixelToTwip(pEvent->x), pixelToTwip(pEvent->y), nCount);
|
|
break;
|
|
}
|
|
case GDK_BUTTON_RELEASE:
|
|
{
|
|
int nCount = 1;
|
|
if ((pEvent->time - m_nLastButtonReleaseTime) < 250)
|
|
nCount++;
|
|
m_nLastButtonReleaseTime = pEvent->time;
|
|
m_pDocument->pClass->postMouseEvent(m_pDocument, LOK_MOUSEEVENT_MOUSEBUTTONUP, pixelToTwip(pEvent->x), pixelToTwip(pEvent->y), nCount);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void LOKDocView_Impl::getDragPoint(GdkRectangle* pHandle, GdkEventButton* pEvent, GdkPoint* pPoint)
|
|
{
|
|
GdkPoint aCursor, aHandle;
|
|
|
|
// Center of the cursor rectangle: we know that it's above the handle.
|
|
aCursor.x = pHandle->x + pHandle->width / 2;
|
|
aCursor.y = pHandle->y - pHandle->height / 2;
|
|
// Center of the handle rectangle.
|
|
aHandle.x = pHandle->x + pHandle->width / 2;
|
|
aHandle.y = pHandle->y + pHandle->height / 2;
|
|
// Our target is the original cursor position + the dragged offset.
|
|
pPoint->x = aCursor.x + (pEvent->x - aHandle.x);
|
|
pPoint->y = aCursor.y + (pEvent->y - aHandle.y);
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::signalMotion(GtkWidget* /*pEventBox*/, GdkEventButton* pEvent, LOKDocView* pDocView)
|
|
{
|
|
return pDocView->m_pImpl->signalMotionImpl(pEvent);
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::signalMotionImpl(GdkEventButton* pEvent)
|
|
{
|
|
GdkPoint aPoint;
|
|
|
|
if (m_bInDragMiddleHandle)
|
|
{
|
|
g_info("lcl_signalMotion: dragging the middle handle");
|
|
LOKDocView_Impl::getDragPoint(&m_aHandleMiddleRect, pEvent, &aPoint);
|
|
m_pDocument->pClass->setTextSelection(m_pDocument, LOK_SETTEXTSELECTION_RESET, pixelToTwip(aPoint.x), pixelToTwip(aPoint.y));
|
|
return FALSE;
|
|
}
|
|
if (m_bInDragStartHandle)
|
|
{
|
|
g_info("lcl_signalMotion: dragging the start handle");
|
|
LOKDocView_Impl::getDragPoint(&m_aHandleStartRect, pEvent, &aPoint);
|
|
m_pDocument->pClass->setTextSelection(m_pDocument, LOK_SETTEXTSELECTION_START, pixelToTwip(aPoint.x), pixelToTwip(aPoint.y));
|
|
return FALSE;
|
|
}
|
|
if (m_bInDragEndHandle)
|
|
{
|
|
g_info("lcl_signalMotion: dragging the end handle");
|
|
LOKDocView_Impl::getDragPoint(&m_aHandleEndRect, pEvent, &aPoint);
|
|
m_pDocument->pClass->setTextSelection(m_pDocument, LOK_SETTEXTSELECTION_END, pixelToTwip(aPoint.x), pixelToTwip(aPoint.y));
|
|
return FALSE;
|
|
}
|
|
for (int i = 0; i < GRAPHIC_HANDLE_COUNT; ++i)
|
|
{
|
|
if (m_bInDragGraphicHandles[i])
|
|
{
|
|
g_info("lcl_signalMotion: dragging the graphic handle #%d", i);
|
|
return FALSE;
|
|
}
|
|
}
|
|
if (m_bInDragGraphicSelection)
|
|
{
|
|
g_info("lcl_signalMotion: dragging the graphic selection");
|
|
return FALSE;
|
|
}
|
|
|
|
GdkRectangle aMotionInTwipsInTwips;
|
|
aMotionInTwipsInTwips.x = pixelToTwip(pEvent->x);
|
|
aMotionInTwipsInTwips.y = pixelToTwip(pEvent->y);
|
|
aMotionInTwipsInTwips.width = 1;
|
|
aMotionInTwipsInTwips.height = 1;
|
|
if (gdk_rectangle_intersect(&aMotionInTwipsInTwips, &m_aGraphicSelection, 0))
|
|
{
|
|
g_info("lcl_signalMotion: start of drag graphic selection");
|
|
m_bInDragGraphicSelection = true;
|
|
m_pDocument->pClass->setGraphicSelection(m_pDocument, LOK_SETGRAPHICSELECTION_START, pixelToTwip(pEvent->x), pixelToTwip(pEvent->y));
|
|
return FALSE;
|
|
}
|
|
|
|
// Otherwise a mouse move, as on the desktop.
|
|
m_pDocument->pClass->postMouseEvent(m_pDocument, LOK_MOUSEEVENT_MOUSEMOVE, pixelToTwip(pEvent->x), pixelToTwip(pEvent->y), 1);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::renderOverlay(GtkWidget* pEventBox, GdkEventExpose* /*pEvent*/, LOKDocView* pDocView)
|
|
{
|
|
return pDocView->m_pImpl->renderOverlayImpl(pEventBox);
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::renderOverlayImpl(GtkWidget* pWidget)
|
|
{
|
|
#if GTK_CHECK_VERSION(2,14,0) // we need gtk_widget_get_window()
|
|
cairo_t* pCairo = gdk_cairo_create(gtk_widget_get_window(pWidget));
|
|
|
|
if (m_bEdit && m_bCursorVisible && m_bCursorOverlayVisible && !isEmptyRectangle(m_aVisibleCursor))
|
|
{
|
|
if (m_aVisibleCursor.width < 30)
|
|
// Set a minimal width if it would be 0.
|
|
m_aVisibleCursor.width = 30;
|
|
|
|
cairo_set_source_rgb(pCairo, 0, 0, 0);
|
|
cairo_rectangle(pCairo,
|
|
twipToPixel(m_aVisibleCursor.x),
|
|
twipToPixel(m_aVisibleCursor.y),
|
|
twipToPixel(m_aVisibleCursor.width),
|
|
twipToPixel(m_aVisibleCursor.height));
|
|
cairo_fill(pCairo);
|
|
}
|
|
|
|
if (m_bEdit && m_bCursorVisible && !isEmptyRectangle(m_aVisibleCursor) && m_aTextSelectionRectangles.empty())
|
|
{
|
|
// Have a cursor, but no selection: we need the middle handle.
|
|
if (!m_pHandleMiddle)
|
|
m_pHandleMiddle = cairo_image_surface_create_from_png(CURSOR_HANDLE_DIR "handle_middle.png");
|
|
renderHandle(pCairo, m_aVisibleCursor, m_pHandleMiddle, m_aHandleMiddleRect);
|
|
}
|
|
|
|
if (!m_aTextSelectionRectangles.empty())
|
|
{
|
|
for (GdkRectangle& rRectangle : m_aTextSelectionRectangles)
|
|
{
|
|
// Blue with 75% transparency.
|
|
cairo_set_source_rgba(pCairo, ((double)0x43)/255, ((double)0xac)/255, ((double)0xe8)/255, 0.25);
|
|
cairo_rectangle(pCairo,
|
|
twipToPixel(rRectangle.x),
|
|
twipToPixel(rRectangle.y),
|
|
twipToPixel(rRectangle.width),
|
|
twipToPixel(rRectangle.height));
|
|
cairo_fill(pCairo);
|
|
}
|
|
|
|
// Handles
|
|
if (!isEmptyRectangle(m_aTextSelectionStart))
|
|
{
|
|
// Have a start position: we need a start handle.
|
|
if (!m_pHandleStart)
|
|
m_pHandleStart = cairo_image_surface_create_from_png(CURSOR_HANDLE_DIR "handle_start.png");
|
|
renderHandle(pCairo, m_aTextSelectionStart, m_pHandleStart, m_aHandleStartRect);
|
|
}
|
|
if (!isEmptyRectangle(m_aTextSelectionEnd))
|
|
{
|
|
// Have a start position: we need an end handle.
|
|
if (!m_pHandleEnd)
|
|
m_pHandleEnd = cairo_image_surface_create_from_png(CURSOR_HANDLE_DIR "handle_end.png");
|
|
renderHandle(pCairo, m_aTextSelectionEnd, m_pHandleEnd, m_aHandleEndRect);
|
|
}
|
|
}
|
|
|
|
if (!isEmptyRectangle(m_aGraphicSelection))
|
|
{
|
|
if (!m_pGraphicHandle)
|
|
m_pGraphicHandle = cairo_image_surface_create_from_png(CURSOR_HANDLE_DIR "handle_graphic.png");
|
|
renderGraphicHandle(pCairo, m_aGraphicSelection, m_pGraphicHandle);
|
|
}
|
|
|
|
cairo_destroy(pCairo);
|
|
#endif
|
|
return FALSE;
|
|
}
|
|
|
|
bool LOKDocView_Impl::isEmptyRectangle(const GdkRectangle& rRectangle)
|
|
{
|
|
return rRectangle.x == 0 && rRectangle.y == 0 && rRectangle.width == 0 && rRectangle.height == 0;
|
|
}
|
|
|
|
void LOKDocView_Impl::renderHandle(cairo_t* pCairo, const GdkRectangle& rCursor, cairo_surface_t* pHandle, GdkRectangle& rRectangle)
|
|
{
|
|
GdkPoint aCursorBottom;
|
|
int nHandleWidth, nHandleHeight;
|
|
double fHandleScale;
|
|
|
|
nHandleWidth = cairo_image_surface_get_width(pHandle);
|
|
nHandleHeight = cairo_image_surface_get_height(pHandle);
|
|
// We want to scale down the handle, so that its height is the same as the cursor caret.
|
|
fHandleScale = twipToPixel(rCursor.height) / nHandleHeight;
|
|
// We want the top center of the handle bitmap to be at the bottom center of the cursor rectangle.
|
|
aCursorBottom.x = twipToPixel(rCursor.x) + twipToPixel(rCursor.width) / 2 - (nHandleWidth * fHandleScale) / 2;
|
|
aCursorBottom.y = twipToPixel(rCursor.y) + twipToPixel(rCursor.height);
|
|
cairo_save(pCairo);
|
|
cairo_translate(pCairo, aCursorBottom.x, aCursorBottom.y);
|
|
cairo_scale(pCairo, fHandleScale, fHandleScale);
|
|
cairo_set_source_surface(pCairo, pHandle, 0, 0);
|
|
cairo_paint(pCairo);
|
|
cairo_restore(pCairo);
|
|
|
|
rRectangle.x = aCursorBottom.x;
|
|
rRectangle.y = aCursorBottom.y;
|
|
rRectangle.width = nHandleWidth * fHandleScale;
|
|
rRectangle.height = nHandleHeight * fHandleScale;
|
|
}
|
|
|
|
/// Renders pHandle around an rSelection rectangle on pCairo.
|
|
void LOKDocView_Impl::renderGraphicHandle(cairo_t* pCairo, const GdkRectangle& rSelection, cairo_surface_t* pHandle)
|
|
{
|
|
int nHandleWidth, nHandleHeight;
|
|
GdkRectangle aSelection;
|
|
|
|
nHandleWidth = cairo_image_surface_get_width(pHandle);
|
|
nHandleHeight = cairo_image_surface_get_height(pHandle);
|
|
|
|
aSelection.x = twipToPixel(rSelection.x);
|
|
aSelection.y = twipToPixel(rSelection.y);
|
|
aSelection.width = twipToPixel(rSelection.width);
|
|
aSelection.height = twipToPixel(rSelection.height);
|
|
|
|
for (int i = 0; i < GRAPHIC_HANDLE_COUNT; ++i)
|
|
{
|
|
int x = aSelection.x, y = aSelection.y;
|
|
cairo_save(pCairo);
|
|
|
|
switch (i)
|
|
{
|
|
case 0: // top-left
|
|
break;
|
|
case 1: // top-middle
|
|
x += aSelection.width / 2;
|
|
break;
|
|
case 2: // top-right
|
|
x += aSelection.width;
|
|
break;
|
|
case 3: // middle-left
|
|
y += aSelection.height / 2;
|
|
break;
|
|
case 4: // middle-right
|
|
x += aSelection.width;
|
|
y += aSelection.height / 2;
|
|
break;
|
|
case 5: // bottom-left
|
|
y += aSelection.height;
|
|
break;
|
|
case 6: // bottom-middle
|
|
x += aSelection.width / 2;
|
|
y += aSelection.height;
|
|
break;
|
|
case 7: // bottom-right
|
|
x += aSelection.width;
|
|
y += aSelection.height;
|
|
break;
|
|
}
|
|
|
|
// Center the handle.
|
|
x -= nHandleWidth / 2;
|
|
y -= nHandleHeight / 2;
|
|
|
|
m_aGraphicHandleRects[i].x = x;
|
|
m_aGraphicHandleRects[i].y = y;
|
|
m_aGraphicHandleRects[i].width = nHandleWidth;
|
|
m_aGraphicHandleRects[i].height = nHandleHeight;
|
|
|
|
cairo_translate(pCairo, x, y);
|
|
cairo_set_source_surface(pCairo, pHandle, 0, 0);
|
|
cairo_paint(pCairo);
|
|
cairo_restore(pCairo);
|
|
}
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::handleTimeout(gpointer pData)
|
|
{
|
|
LOKDocView* pDocView = static_cast<LOKDocView*>(pData);
|
|
return pDocView->m_pImpl->handleTimeoutImpl();
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::handleTimeoutImpl()
|
|
{
|
|
if (m_bEdit)
|
|
{
|
|
if (m_bCursorOverlayVisible)
|
|
m_bCursorOverlayVisible = false;
|
|
else
|
|
m_bCursorOverlayVisible = true;
|
|
gtk_widget_queue_draw(GTK_WIDGET(m_pEventBox));
|
|
}
|
|
|
|
return G_SOURCE_CONTINUE;
|
|
}
|
|
|
|
void LOKDocView_Impl::renderDocument(GdkRectangle* pPartial)
|
|
{
|
|
const int nTileSizePixels = 256;
|
|
|
|
long nDocumentWidthPixels = twipToPixel(m_nDocumentWidthTwips);
|
|
long nDocumentHeightPixels = twipToPixel(m_nDocumentHeightTwips);
|
|
// Total number of rows / columns in this document.
|
|
guint nRows = ceil((double)nDocumentHeightPixels / nTileSizePixels);
|
|
guint nColumns = ceil((double)nDocumentWidthPixels / nTileSizePixels);
|
|
|
|
// Set up our table and the tile pointers.
|
|
if (!m_pTable)
|
|
pPartial = 0;
|
|
if (pPartial)
|
|
{
|
|
// Same as nRows / nColumns, but from the previous renderDocument() call.
|
|
guint nOldRows, nOldColumns;
|
|
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
gtk_table_get_size(GTK_TABLE(m_pTable), &nOldRows, &nOldColumns);
|
|
if (nOldRows != nRows || nOldColumns != nColumns)
|
|
// Can't do partial rendering, document size changed.
|
|
pPartial = 0;
|
|
#else
|
|
pPartial = 0;
|
|
#endif
|
|
}
|
|
if (!pPartial)
|
|
{
|
|
if (m_pTable)
|
|
gtk_container_remove(GTK_CONTAINER(m_pEventBox), m_pTable);
|
|
m_pTable = gtk_table_new(nRows, nColumns, FALSE);
|
|
gtk_container_add(GTK_CONTAINER(m_pEventBox), m_pTable);
|
|
gtk_widget_show(m_pTable);
|
|
if (m_pCanvas)
|
|
g_free(m_pCanvas);
|
|
m_pCanvas = static_cast<GtkWidget**>(g_malloc0(sizeof(GtkWidget*) * nRows * nColumns));
|
|
}
|
|
|
|
// Render the tiles.
|
|
for (guint nRow = 0; nRow < nRows; ++nRow)
|
|
{
|
|
for (guint nColumn = 0; nColumn < nColumns; ++nColumn)
|
|
{
|
|
GdkRectangle aTileRectangleTwips, aTileRectanglePixels;
|
|
bool bPaint = true;
|
|
|
|
// Determine size of the tile: the rightmost/bottommost tiles may be smaller and we need the size to decide if we need to repaint.
|
|
if (nColumn == nColumns - 1)
|
|
aTileRectanglePixels.width = nDocumentWidthPixels - nColumn * nTileSizePixels;
|
|
else
|
|
aTileRectanglePixels.width = nTileSizePixels;
|
|
if (nRow == nRows - 1)
|
|
aTileRectanglePixels.height = nDocumentHeightPixels - nRow * nTileSizePixels;
|
|
else
|
|
aTileRectanglePixels.height = nTileSizePixels;
|
|
|
|
// Determine size and position of the tile in document coordinates, so we can decide if we can skip painting for partial rendering.
|
|
aTileRectangleTwips.x = pixelToTwip(nTileSizePixels) * nColumn;
|
|
aTileRectangleTwips.y = pixelToTwip(nTileSizePixels) * nRow;
|
|
aTileRectangleTwips.width = pixelToTwip(aTileRectanglePixels.width);
|
|
aTileRectangleTwips.height = pixelToTwip(aTileRectanglePixels.height);
|
|
if (pPartial && !gdk_rectangle_intersect(pPartial, &aTileRectangleTwips, 0))
|
|
bPaint = false;
|
|
|
|
if (bPaint)
|
|
{
|
|
// Index of the current tile.
|
|
guint nTile = nRow * nColumns + nColumn;
|
|
|
|
GdkPixbuf* pPixBuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, aTileRectanglePixels.width, aTileRectanglePixels.height);
|
|
unsigned char* pBuffer = gdk_pixbuf_get_pixels(pPixBuf);
|
|
g_info("renderDocument: paintTile(%d, %d)", nRow, nColumn);
|
|
m_pDocument->pClass->paintTile(m_pDocument,
|
|
// Buffer and its size, depends on the position only.
|
|
pBuffer,
|
|
aTileRectanglePixels.width, aTileRectanglePixels.height,
|
|
// Position of the tile.
|
|
aTileRectangleTwips.x, aTileRectangleTwips.y,
|
|
// Size of the tile, depends on the zoom factor and the tile position only.
|
|
aTileRectangleTwips.width, aTileRectangleTwips.height);
|
|
|
|
if (m_pCanvas[nTile])
|
|
gtk_widget_destroy(GTK_WIDGET(m_pCanvas[nTile]));
|
|
m_pCanvas[nTile] = gtk_image_new();
|
|
gtk_image_set_from_pixbuf(GTK_IMAGE(m_pCanvas[nTile]), pPixBuf);
|
|
g_object_unref(G_OBJECT(pPixBuf));
|
|
gtk_widget_show(m_pCanvas[nTile]);
|
|
gtk_table_attach(GTK_TABLE(m_pTable),
|
|
m_pCanvas[nTile],
|
|
nColumn, nColumn + 1, nRow, nRow + 1,
|
|
GTK_SHRINK, GTK_SHRINK, 0, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
GdkRectangle LOKDocView_Impl::payloadToRectangle(const char* pPayload)
|
|
{
|
|
GdkRectangle aRet;
|
|
|
|
aRet.width = aRet.height = aRet.x = aRet.y = 0;
|
|
gchar** ppCoordinates = g_strsplit(pPayload, ", ", 4);
|
|
gchar** ppCoordinate = ppCoordinates;
|
|
if (!*ppCoordinate)
|
|
return aRet;
|
|
aRet.x = atoi(*ppCoordinate);
|
|
++ppCoordinate;
|
|
if (!*ppCoordinate)
|
|
return aRet;
|
|
aRet.y = atoi(*ppCoordinate);
|
|
++ppCoordinate;
|
|
if (!*ppCoordinate)
|
|
return aRet;
|
|
aRet.width = atoi(*ppCoordinate);
|
|
++ppCoordinate;
|
|
if (!*ppCoordinate)
|
|
return aRet;
|
|
aRet.height = atoi(*ppCoordinate);
|
|
g_strfreev(ppCoordinates);
|
|
return aRet;
|
|
}
|
|
|
|
std::vector<GdkRectangle> LOKDocView_Impl::payloadToRectangles(const char* pPayload)
|
|
{
|
|
std::vector<GdkRectangle> aRet;
|
|
|
|
gchar** ppRectangles = g_strsplit(pPayload, "; ", 0);
|
|
for (gchar** ppRectangle = ppRectangles; *ppRectangle; ++ppRectangle)
|
|
aRet.push_back(payloadToRectangle(*ppRectangle));
|
|
g_strfreev(ppRectangles);
|
|
|
|
return aRet;
|
|
}
|
|
|
|
/// Returns the string representation of a LibreOfficeKitCallbackType enumeration element.
|
|
const char* LOKDocView_Impl::callbackTypeToString(int nType)
|
|
{
|
|
switch (nType)
|
|
{
|
|
case LOK_CALLBACK_INVALIDATE_TILES:
|
|
return "LOK_CALLBACK_INVALIDATE_TILES";
|
|
case LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR:
|
|
return "LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR";
|
|
case LOK_CALLBACK_TEXT_SELECTION:
|
|
return "LOK_CALLBACK_TEXT_SELECTION";
|
|
case LOK_CALLBACK_TEXT_SELECTION_START:
|
|
return "LOK_CALLBACK_TEXT_SELECTION_START";
|
|
case LOK_CALLBACK_TEXT_SELECTION_END:
|
|
return "LOK_CALLBACK_TEXT_SELECTION_END";
|
|
case LOK_CALLBACK_CURSOR_VISIBLE:
|
|
return "LOK_CALLBACK_CURSOR_VISIBLE";
|
|
case LOK_CALLBACK_GRAPHIC_SELECTION:
|
|
return "LOK_CALLBACK_GRAPHIC_SELECTION";
|
|
case LOK_CALLBACK_HYPERLINK_CLICKED:
|
|
return "LOK_CALLBACK_HYPERLINK_CLICKED";
|
|
case LOK_CALLBACK_STATE_CHANGED:
|
|
return "LOK_CALLBACK_STATE_CHANGED";
|
|
case LOK_CALLBACK_STATUS_INDICATOR_START:
|
|
return "LOK_CALLBACK_STATUS_INDICATOR_START";
|
|
case LOK_CALLBACK_STATUS_INDICATOR_SET_VALUE:
|
|
return "LOK_CALLBACK_STATUS_INDICATOR_SET_VALUE";
|
|
case LOK_CALLBACK_STATUS_INDICATOR_FINISH:
|
|
return "LOK_CALLBACK_STATUS_INDICATOR_FINISH";
|
|
case LOK_CALLBACK_SEARCH_NOT_FOUND:
|
|
return "LOK_CALLBACK_SEARCH_NOT_FOUND";
|
|
case LOK_CALLBACK_DOCUMENT_SIZE_CHANGED:
|
|
return "LOK_CALLBACK_DOCUMENT_SIZE_CHANGED";
|
|
case LOK_CALLBACK_SET_PART:
|
|
return "LOK_CALLBACK_SET_PART";
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::callback(gpointer pData)
|
|
{
|
|
LOKDocView_Impl::CallbackData* pCallback = static_cast<LOKDocView_Impl::CallbackData*>(pData);
|
|
return pCallback->m_pDocView->m_pImpl->callbackImpl(pCallback);
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::globalCallback(gpointer pData)
|
|
{
|
|
LOKDocView_Impl::CallbackData* pCallback = static_cast<LOKDocView_Impl::CallbackData*>(pData);
|
|
return globalCallbackImpl(pCallback);
|
|
}
|
|
|
|
gboolean LOKDocView_Impl::callbackImpl(CallbackData* pCallback)
|
|
{
|
|
switch (pCallback->m_nType)
|
|
{
|
|
case LOK_CALLBACK_INVALIDATE_TILES:
|
|
{
|
|
if (pCallback->m_aPayload != "EMPTY")
|
|
{
|
|
GdkRectangle aRectangle = LOKDocView_Impl::payloadToRectangle(pCallback->m_aPayload.c_str());
|
|
renderDocument(&aRectangle);
|
|
}
|
|
else
|
|
renderDocument(0);
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR:
|
|
{
|
|
m_aVisibleCursor = LOKDocView_Impl::payloadToRectangle(pCallback->m_aPayload.c_str());
|
|
m_bCursorOverlayVisible = true;
|
|
gtk_widget_queue_draw(GTK_WIDGET(m_pEventBox));
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_TEXT_SELECTION:
|
|
{
|
|
m_aTextSelectionRectangles = LOKDocView_Impl::payloadToRectangles(pCallback->m_aPayload.c_str());
|
|
|
|
// In case the selection is empty, then we get no LOK_CALLBACK_TEXT_SELECTION_START/END events.
|
|
if (m_aTextSelectionRectangles.empty())
|
|
{
|
|
memset(&m_aTextSelectionStart, 0, sizeof(m_aTextSelectionStart));
|
|
memset(&m_aHandleStartRect, 0, sizeof(m_aHandleStartRect));
|
|
memset(&m_aTextSelectionEnd, 0, sizeof(m_aTextSelectionEnd));
|
|
memset(&m_aHandleEndRect, 0, sizeof(m_aHandleEndRect));
|
|
}
|
|
else
|
|
memset(&m_aHandleMiddleRect, 0, sizeof(m_aHandleMiddleRect));
|
|
gtk_widget_queue_draw(GTK_WIDGET(m_pEventBox));
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_TEXT_SELECTION_START:
|
|
{
|
|
m_aTextSelectionStart = LOKDocView_Impl::payloadToRectangle(pCallback->m_aPayload.c_str());
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_TEXT_SELECTION_END:
|
|
{
|
|
m_aTextSelectionEnd = LOKDocView_Impl::payloadToRectangle(pCallback->m_aPayload.c_str());
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_CURSOR_VISIBLE:
|
|
{
|
|
m_bCursorVisible = pCallback->m_aPayload == "true";
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_GRAPHIC_SELECTION:
|
|
{
|
|
if (pCallback->m_aPayload != "EMPTY")
|
|
m_aGraphicSelection = LOKDocView_Impl::payloadToRectangle(pCallback->m_aPayload.c_str());
|
|
else
|
|
memset(&m_aGraphicSelection, 0, sizeof(m_aGraphicSelection));
|
|
gtk_widget_queue_draw(GTK_WIDGET(m_pEventBox));
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_HYPERLINK_CLICKED:
|
|
{
|
|
GError* pError = NULL;
|
|
#if GTK_CHECK_VERSION(2,14,0)
|
|
gtk_show_uri(NULL, pCallback->m_aPayload.c_str(), GDK_CURRENT_TIME, &pError);
|
|
#endif
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_STATE_CHANGED:
|
|
{
|
|
commandChanged(pCallback->m_aPayload);
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_SEARCH_NOT_FOUND:
|
|
{
|
|
searchNotFound(pCallback->m_aPayload);
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_DOCUMENT_SIZE_CHANGED:
|
|
{
|
|
payloadToSize(pCallback->m_aPayload.c_str(), m_nDocumentWidthTwips, m_nDocumentHeightTwips);
|
|
}
|
|
break;
|
|
case LOK_CALLBACK_SET_PART:
|
|
{
|
|
setPart(pCallback->m_aPayload);
|
|
}
|
|
break;
|
|
default:
|
|
g_assert(false);
|
|
break;
|
|
}
|
|
delete pCallback;
|
|
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
void LOKDocView_Impl::callbackWorker(int nType, const char* pPayload, void* pData)
|
|
{
|
|
LOKDocView* pDocView = static_cast<LOKDocView*>(pData);
|
|
pDocView->m_pImpl->callbackWorkerImpl(nType, pPayload);
|
|
}
|
|
|
|
void LOKDocView_Impl::globalCallbackWorker(int nType, const char* pPayload, void* pData)
|
|
{
|
|
LOKDocView* pDocView = static_cast<LOKDocView*>(pData);
|
|
pDocView->m_pImpl->globalCallbackWorkerImpl(nType, pPayload);
|
|
}
|
|
|
|
void LOKDocView_Impl::callbackWorkerImpl(int nType, const char* pPayload)
|
|
{
|
|
LOKDocView_Impl::CallbackData* pCallback = new LOKDocView_Impl::CallbackData(nType, pPayload ? pPayload : "(nil)", m_pDocView);
|
|
g_info("lok_docview_callback_worker: %s, '%s'", LOKDocView_Impl::callbackTypeToString(nType), pPayload);
|
|
#if GTK_CHECK_VERSION(2,12,0)
|
|
gdk_threads_add_idle(LOKDocView_Impl::callback, pCallback);
|
|
#endif
|
|
}
|
|
|
|
void LOKDocView_Impl::globalCallbackWorkerImpl(int nType, const char* pPayload)
|
|
{
|
|
LOKDocView_Impl::CallbackData* pCallback = new LOKDocView_Impl::CallbackData(nType, pPayload ? pPayload : "(nil)", m_pDocView);
|
|
g_info("LOKDocView_Impl::globalCallbackWorkerImpl: %s, '%s'", LOKDocView_Impl::callbackTypeToString(nType), pPayload);
|
|
#if GTK_CHECK_VERSION(2,12,0)
|
|
gdk_threads_add_idle(LOKDocView_Impl::globalCallback, pCallback);
|
|
#endif
|
|
}
|
|
|
|
enum
|
|
{
|
|
EDIT_CHANGED,
|
|
COMMAND_CHANGED,
|
|
SEARCH_NOT_FOUND,
|
|
PART_CHANGED,
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
static guint docview_signals[LAST_SIGNAL] = { 0 };
|
|
|
|
void LOKDocView_Impl::commandChanged(const std::string& rString)
|
|
{
|
|
g_signal_emit(m_pDocView, docview_signals[COMMAND_CHANGED], 0, rString.c_str());
|
|
}
|
|
|
|
void LOKDocView_Impl::searchNotFound(const std::string& rString)
|
|
{
|
|
g_signal_emit(m_pDocView, docview_signals[SEARCH_NOT_FOUND], 0, rString.c_str());
|
|
}
|
|
|
|
void LOKDocView_Impl::setPart(const std::string& rString)
|
|
{
|
|
g_signal_emit(m_pDocView, docview_signals[PART_CHANGED], 0, std::stoi(rString));
|
|
renderDocument(0);
|
|
}
|
|
|
|
static void lok_docview_class_init( gpointer ptr )
|
|
{
|
|
LOKDocViewClass* pClass = static_cast<LOKDocViewClass *>(ptr);
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS(pClass);
|
|
pClass->edit_changed = NULL;
|
|
docview_signals[EDIT_CHANGED] =
|
|
g_signal_new("edit-changed",
|
|
G_TYPE_FROM_CLASS (gobject_class),
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET (LOKDocViewClass, edit_changed),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__BOOLEAN,
|
|
G_TYPE_NONE, 1,
|
|
G_TYPE_BOOLEAN);
|
|
pClass->command_changed = NULL;
|
|
docview_signals[COMMAND_CHANGED] =
|
|
g_signal_new("command-changed",
|
|
G_TYPE_FROM_CLASS(gobject_class),
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET(LOKDocViewClass, command_changed),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__STRING,
|
|
G_TYPE_NONE, 1,
|
|
G_TYPE_STRING);
|
|
pClass->search_not_found = 0;
|
|
docview_signals[SEARCH_NOT_FOUND] =
|
|
g_signal_new("search-not-found",
|
|
G_TYPE_FROM_CLASS(gobject_class),
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET(LOKDocViewClass, search_not_found),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__STRING,
|
|
G_TYPE_NONE, 1,
|
|
G_TYPE_STRING);
|
|
pClass->part_changed = 0;
|
|
docview_signals[PART_CHANGED] =
|
|
g_signal_new("part-changed",
|
|
G_TYPE_FROM_CLASS(gobject_class),
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET(LOKDocViewClass, part_changed),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__INT,
|
|
G_TYPE_NONE, 1,
|
|
G_TYPE_INT);
|
|
}
|
|
|
|
static void lok_docview_init( GTypeInstance* pInstance, gpointer )
|
|
{
|
|
LOKDocView* pDocView = reinterpret_cast<LOKDocView *>(pInstance);
|
|
// Gtk ScrolledWindow is apparently not fully initialised yet, we specifically
|
|
// have to set the [hv]adjustment to prevent GTK assertions from firing, see
|
|
// https://bugzilla.gnome.org/show_bug.cgi?id=438114 for more info.
|
|
gtk_scrolled_window_set_hadjustment( GTK_SCROLLED_WINDOW( pDocView ), NULL );
|
|
gtk_scrolled_window_set_vadjustment( GTK_SCROLLED_WINDOW( pDocView ), NULL );
|
|
|
|
pDocView->m_pImpl = new LOKDocView_Impl(pDocView);
|
|
gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(pDocView),
|
|
pDocView->m_pImpl->m_pEventBox );
|
|
|
|
gtk_widget_set_events(pDocView->m_pImpl->m_pEventBox, GDK_BUTTON_PRESS_MASK); // So that drag doesn't try to move the whole window.
|
|
gtk_signal_connect(GTK_OBJECT(pDocView->m_pImpl->m_pEventBox), "button-press-event", GTK_SIGNAL_FUNC(LOKDocView_Impl::signalButton), pDocView);
|
|
gtk_signal_connect(GTK_OBJECT(pDocView->m_pImpl->m_pEventBox), "button-release-event", GTK_SIGNAL_FUNC(LOKDocView_Impl::signalButton), pDocView);
|
|
gtk_signal_connect(GTK_OBJECT(pDocView->m_pImpl->m_pEventBox), "motion-notify-event", GTK_SIGNAL_FUNC(LOKDocView_Impl::signalMotion), pDocView);
|
|
|
|
gtk_widget_show( pDocView->m_pImpl->m_pEventBox );
|
|
|
|
gtk_signal_connect(GTK_OBJECT(pDocView), "destroy", GTK_SIGNAL_FUNC(LOKDocView_Impl::destroy), 0);
|
|
g_signal_connect_after(pDocView->m_pImpl->m_pEventBox, "expose-event", G_CALLBACK(LOKDocView_Impl::renderOverlay), pDocView);
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT guint lok_docview_get_type()
|
|
{
|
|
static guint lok_docview_type = 0;
|
|
|
|
if (!lok_docview_type)
|
|
{
|
|
char pName[] = "LokDocView";
|
|
GtkTypeInfo lok_docview_info =
|
|
{
|
|
pName,
|
|
sizeof( LOKDocView ),
|
|
sizeof( LOKDocViewClass ),
|
|
lok_docview_class_init,
|
|
lok_docview_init,
|
|
NULL,
|
|
NULL,
|
|
(GtkClassInitFunc) NULL
|
|
};
|
|
|
|
lok_docview_type = gtk_type_unique( gtk_scrolled_window_get_type(), &lok_docview_info );
|
|
}
|
|
return lok_docview_type;
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT GtkWidget* lok_docview_new( LibreOfficeKit* pOffice )
|
|
{
|
|
LOKDocView* pDocView = LOK_DOCVIEW(gtk_type_new(lok_docview_get_type()));
|
|
pDocView->m_pImpl->m_pOffice = pOffice;
|
|
return GTK_WIDGET( pDocView );
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT gboolean lok_docview_open_document( LOKDocView* pDocView, char* pPath )
|
|
{
|
|
if ( pDocView->m_pImpl->m_pDocument )
|
|
{
|
|
pDocView->m_pImpl->m_pDocument->pClass->destroy( pDocView->m_pImpl->m_pDocument );
|
|
pDocView->m_pImpl->m_pDocument = 0;
|
|
}
|
|
|
|
pDocView->m_pImpl->m_pOffice->pClass->registerCallback(pDocView->m_pImpl->m_pOffice, &LOKDocView_Impl::globalCallbackWorker, pDocView);
|
|
pDocView->m_pImpl->m_pDocument = pDocView->m_pImpl->m_pOffice->pClass->documentLoad( pDocView->m_pImpl->m_pOffice,
|
|
pPath );
|
|
if ( !pDocView->m_pImpl->m_pDocument )
|
|
{
|
|
// FIXME: should have a GError parameter and populate it.
|
|
char *pError = pDocView->m_pImpl->m_pOffice->pClass->getError( pDocView->m_pImpl->m_pOffice );
|
|
fprintf( stderr, "Error opening document '%s'\n", pError );
|
|
return FALSE;
|
|
}
|
|
else
|
|
{
|
|
pDocView->m_pImpl->m_pDocument->pClass->initializeForRendering(pDocView->m_pImpl->m_pDocument);
|
|
pDocView->m_pImpl->m_pDocument->pClass->registerCallback(pDocView->m_pImpl->m_pDocument, &LOKDocView_Impl::callbackWorker, pDocView);
|
|
pDocView->m_pImpl->m_pDocument->pClass->getDocumentSize(pDocView->m_pImpl->m_pDocument, &pDocView->m_pImpl->m_nDocumentWidthTwips, &pDocView->m_pImpl->m_nDocumentHeightTwips);
|
|
g_timeout_add(600, &LOKDocView_Impl::handleTimeout, pDocView);
|
|
pDocView->m_pImpl->renderDocument(0);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT LibreOfficeKitDocument* lok_docview_get_document(LOKDocView* pDocView)
|
|
{
|
|
return pDocView->m_pImpl->m_pDocument;
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT void lok_docview_set_zoom ( LOKDocView* pDocView, float fZoom )
|
|
{
|
|
pDocView->m_pImpl->m_fZoom = fZoom;
|
|
|
|
if ( pDocView->m_pImpl->m_pDocument )
|
|
pDocView->m_pImpl->renderDocument(0);
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT float lok_docview_get_zoom ( LOKDocView* pDocView )
|
|
{
|
|
return pDocView->m_pImpl->m_fZoom;
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT int lok_docview_get_parts( LOKDocView* pDocView )
|
|
{
|
|
return pDocView->m_pImpl->m_pDocument->pClass->getParts( pDocView->m_pImpl->m_pDocument );
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT int lok_docview_get_part( LOKDocView* pDocView )
|
|
{
|
|
return pDocView->m_pImpl->m_pDocument->pClass->getPart( pDocView->m_pImpl->m_pDocument );
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT void lok_docview_set_part( LOKDocView* pDocView, int nPart)
|
|
{
|
|
pDocView->m_pImpl->m_pDocument->pClass->setPart( pDocView->m_pImpl->m_pDocument, nPart );
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT char* lok_docview_get_part_name( LOKDocView* pDocView, int nPart )
|
|
{
|
|
return pDocView->m_pImpl->m_pDocument->pClass->getPartName( pDocView->m_pImpl->m_pDocument, nPart );
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT void lok_docview_set_partmode( LOKDocView* pDocView,
|
|
int nPartMode )
|
|
{
|
|
pDocView->m_pImpl->m_pDocument->pClass->setPartMode( pDocView->m_pImpl->m_pDocument, nPartMode );
|
|
pDocView->m_pImpl->renderDocument(0);
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT void lok_docview_set_edit( LOKDocView* pDocView,
|
|
gboolean bEdit )
|
|
{
|
|
gboolean bWasEdit = pDocView->m_pImpl->m_bEdit;
|
|
|
|
if (!pDocView->m_pImpl->m_bEdit && bEdit)
|
|
g_info("lok_docview_set_edit: entering edit mode");
|
|
else if (pDocView->m_pImpl->m_bEdit && !bEdit)
|
|
{
|
|
g_info("lok_docview_set_edit: leaving edit mode");
|
|
pDocView->m_pImpl->m_pDocument->pClass->resetSelection(pDocView->m_pImpl->m_pDocument);
|
|
}
|
|
pDocView->m_pImpl->m_bEdit = bEdit;
|
|
g_signal_emit(pDocView, docview_signals[EDIT_CHANGED], 0, bWasEdit);
|
|
gtk_widget_queue_draw(GTK_WIDGET(pDocView->m_pImpl->m_pEventBox));
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT gboolean lok_docview_get_edit(LOKDocView* pDocView)
|
|
{
|
|
return pDocView->m_pImpl->m_bEdit;
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT void lok_docview_post_command(LOKDocView* pDocView, const char* pCommand, const char* pArguments)
|
|
{
|
|
pDocView->m_pImpl->m_pDocument->pClass->postUnoCommand(pDocView->m_pImpl->m_pDocument, pCommand, pArguments);
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT void lok_docview_post_key(GtkWidget* /*pWidget*/, GdkEventKey* pEvent, gpointer pData)
|
|
{
|
|
LOKDocView* pDocView = static_cast<LOKDocView *>(pData);
|
|
pDocView->m_pImpl->signalKey(pEvent);
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT void lok_docview_get_visarea(LOKDocView* pThis, GdkRectangle* pArea)
|
|
{
|
|
GtkAdjustment* pHAdjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(pThis));
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pArea->x = pThis->m_pImpl->pixelToTwip(gtk_adjustment_get_value(pHAdjustment));
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GtkAdjustment* pVAdjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(pThis));
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pArea->y = pThis->m_pImpl->pixelToTwip(gtk_adjustment_get_value(pVAdjustment));
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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