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Code Issues Releases Wiki Activity

Allow huge range of interface scales.

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This commit is contained in:
John Preston
2023-01-05 14:48:46 +04:00
parent 3532e187fd
commit ff331c040a
16 changed files with 987 additions and 69 deletions
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114
Telegram/SourceFiles/settings/settings_main.cpp
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@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "settings/settings_folders.h"
#include "settings/settings_calls.h"
#include "settings/settings_premium.h"
#include "settings/settings_scale_preview.h"
#include "boxes/language_box.h"
#include "boxes/username_box.h"
#include "boxes/about_box.h"
@@ -27,7 +28,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "ui/wrap/slide_wrap.h"
#include "ui/wrap/padding_wrap.h"
#include "ui/widgets/labels.h"
#include "ui/widgets/discrete_sliders.h"
#include "ui/widgets/continuous_sliders.h"
#include "ui/widgets/buttons.h"
#include "ui/text/text_utilities.h"
#include "ui/toast/toast.h"
@@ -421,34 +422,58 @@ void SetupInterfaceScale(
{ icon ? &st::settingsIconInterfaceScale : nullptr, kIconLightOrange }
)->toggleOn(toggled->events_starting_with_copy(switched));
const auto slider = container->add(
object_ptr<Ui::SettingsSlider>(container, st::settingsSlider),
icon ? st::settingsScalePadding : st::settingsBigScalePadding);
static const auto ScaleValues = [&] {
auto values = (cIntRetinaFactor() > 1)
? std::vector<int>{ 100, 110, 120, 130, 140, 150 }
: std::vector<int>{ 100, 125, 150, 200, 250, 300 };
if (cConfigScale() == style::kScaleAuto) {
return values;
const auto ratio = style::DevicePixelRatio();
const auto scaleMin = style::kScaleMin;
const auto scaleMax = style::kScaleMax / ratio;
const auto scaleConfig = cConfigScale();
const auto step = 5;
Assert(!((scaleMax - scaleMin) % step));
auto values = std::vector<int>();
for (auto i = scaleMin; i != scaleMax; i += step) {
values.push_back(i);
if (scaleConfig > i && scaleConfig < i + step) {
values.push_back(scaleConfig);
}
if (ranges::find(values, cConfigScale()) == end(values)) {
values.push_back(cConfigScale());
}
return values;
}();
}
values.push_back(scaleMax);
const auto valuesCount = int(values.size());
const auto sectionFromScale = [](int scale) {
const auto valueFromScale = [=](int scale) {
scale = cEvalScale(scale);
auto result = 0;
for (const auto value : ScaleValues) {
for (const auto value : values) {
if (scale == value) {
break;
}
++result;
}
return (result == ScaleValues.size()) ? (result - 1) : result;
return ((result == valuesCount) ? (result - 1) : result)
/ float64(valuesCount - 1);
};
auto sliderWithLabel = MakeSliderWithLabel(
container,
st::settingsScale,
st::settingsScaleLabel,
st::normalFont->spacew * 2,
st::settingsScaleLabel.style.font->width("300%"));
container->add(
std::move(sliderWithLabel.widget),
icon ? st::settingsScalePadding : st::settingsBigScalePadding);
const auto slider = sliderWithLabel.slider;
const auto label = sliderWithLabel.label;
const auto updateLabel = [=](int scale) {
const auto labelText = [&](int scale) {
if constexpr (Platform::IsMac()) {
return QString::number(scale) + '%';
} else {
return QString::number(scale * ratio) + '%';
}
};
label->setText(labelText(cEvalScale(scale)));
};
updateLabel(cConfigScale());
const auto inSetScale = container->lifetime().make_state<bool>();
const auto setScale = [=](int scale, const auto &repeatSetScale) -> void {
if (*inSetScale) {
@@ -457,8 +482,9 @@ void SetupInterfaceScale(
*inSetScale = true;
const auto guard = gsl::finally([=] { *inSetScale = false; });
updateLabel(scale);
toggled->fire(scale == style::kScaleAuto);
slider->setActiveSection(sectionFromScale(scale));
slider->setValue(valueFromScale(scale));
if (cEvalScale(scale) != cEvalScale(cConfigScale())) {
const auto confirmed = crl::guard(button, [=] {
cSetConfigScale(scale);
@@ -484,31 +510,37 @@ void SetupInterfaceScale(
}
};
const auto label = [](int scale) {
if constexpr (Platform::IsMac()) {
return QString::number(scale) + '%';
} else {
return QString::number(scale * cIntRetinaFactor()) + '%';
const auto shown = container->lifetime().make_state<bool>();
const auto togglePreview = SetupScalePreview(window, slider);
const auto toggleForScale = [=](int scale) {
scale = cEvalScale(scale);
const auto show = *shown
? ScalePreviewShow::Update
: ScalePreviewShow::Show;
*shown = true;
auto index = 0;
for (auto i = 0; i != valuesCount; ++i) {
if (values[i] <= scale
&& (i + 1 == valuesCount || values[i + 1] > scale)) {
const auto x = (slider->width() * i) / (valuesCount - 1);
const auto globalX = slider->mapToGlobal(QPoint(x, 0)).x();
togglePreview(show, scale, globalX);
return;
}
}
togglePreview(show, scale, QCursor::pos().x());
};
const auto scaleByIndex = [](int index) {
return *(ScaleValues.begin() + index);
const auto toggleHidePreview = [=] {
togglePreview(ScalePreviewShow::Hide, 0, 0);
*shown = false;
};
for (const auto value : ScaleValues) {
slider->addSection(label(value));
}
slider->setActiveSectionFast(sectionFromScale(cConfigScale()));
slider->sectionActivated(
) | rpl::map([=](int section) {
return scaleByIndex(section);
}) | rpl::filter([=](int scale) {
return cEvalScale(scale) != cEvalScale(cConfigScale());
}) | rpl::start_with_next([=](int scale) {
setScale(
(scale == cScreenScale()) ? style::kScaleAuto : scale,
setScale);
}, slider->lifetime());
slider->setPseudoDiscrete(
valuesCount,
[=](int index) { return values[index]; },
cConfigScale(),
[=](int scale) { updateLabel(scale); toggleForScale(scale); },
[=](int scale) { toggleHidePreview(); setScale(scale, setScale); });
button->toggledValue(
) | rpl::map([](bool checked) {