1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qplatformtheme.h"
5
6#include "qplatformtheme_p.h"
7
8#include <QtCore/QVariant>
9#include <QtCore/QStringList>
10#include <QtCore/qfileinfo.h>
11#include <qicon.h>
12#include <qpalette.h>
13#include <qtextformat.h>
14#include <private/qiconloader_p.h>
15#include <private/qguiapplication_p.h>
16#include <qpa/qplatformintegration.h>
17#include <qpa/qplatformdialoghelper.h>
18
19#include <algorithm>
20
21QT_BEGIN_NAMESPACE
22
23/*!
24 \class QPlatformTheme
25 \since 5.0
26 \internal
27 \preliminary
28 \ingroup qpa
29 \brief The QPlatformTheme class allows customizing the UI based on themes.
30
31 See the init_platform function in qguiapplication.cpp for the complete
32 platform initialization process.
33*/
34
35/*!
36 \enum QPlatformTheme::ThemeHint
37
38 This enum describes the available theme hints.
39
40 \value CursorFlashTime (int) Cursor flash time in ms, overriding
41 QPlatformIntegration::styleHint.
42
43 \value KeyboardInputInterval (int) Keyboard input interval in ms, overriding
44 QPlatformIntegration::styleHint.
45
46 \value MouseDoubleClickInterval (int) Mouse double click interval in ms,
47 overriding QPlatformIntegration::styleHint.
48
49 \value MouseDoubleClickDistance (int) The maximum distance in logical pixels which the mouse can travel
50 between clicks in order for the click sequence to be handled as a double click.
51 The default value is 5 logical pixels.
52
53 \value MousePressAndHoldInterval (int) Mouse press and hold interval in ms,
54 overriding QPlatformIntegration::styleHint.
55
56 \value StartDragDistance (int) Start drag distance,
57 overriding QPlatformIntegration::styleHint.
58
59 \value StartDragTime (int) Start drag time in ms,
60 overriding QPlatformIntegration::styleHint.
61
62 \value WheelScrollLines (int) The number of lines to scroll a widget, when the mouse wheel is rotated.
63 The default value is 3. \sa QApplication::wheelScrollLines()
64
65 \value KeyboardAutoRepeatRate (int) Keyboard auto repeat rate,
66 overriding QPlatformIntegration::styleHint.
67
68 \value PasswordMaskDelay (int) Pass word mask delay in ms,
69 overriding QPlatformIntegration::styleHint.
70
71 \value StartDragVelocity (int) Velocity of a drag,
72 overriding QPlatformIntegration::styleHint.
73
74 \value TextCursorWidth (int) Determines the width of the text cursor.
75
76 \value DropShadow (bool) Determines whether the drop shadow effect for
77 tooltips or whatsthis is enabled.
78
79 \value MaximumScrollBarDragDistance (int) Determines the value returned by
80 QStyle::pixelMetric(PM_MaximumDragDistance)
81
82 \value ToolButtonStyle (int) A value representing a Qt::ToolButtonStyle.
83
84 \value ToolBarIconSize Icon size for tool bars.
85
86 \value SystemIconThemeName (QString) Name of the icon theme.
87
88 \value SystemIconFallbackThemeName (QString) Name of the fallback icon theme.
89
90 \value IconThemeSearchPaths (QStringList) Search paths for icons.
91
92 \value ItemViewActivateItemOnSingleClick (bool) Activate items by single click.
93
94 \value StyleNames (QStringList) A list of preferred style names.
95
96 \value WindowAutoPlacement (bool) A boolean value indicating whether Windows
97 (particularly dialogs) are placed by the system
98 (see _NET_WM_FULL_PLACEMENT in X11).
99
100 \value DialogButtonBoxLayout (int) An integer representing a
101 QDialogButtonBox::ButtonLayout value.
102
103 \value DialogButtonBoxButtonsHaveIcons (bool) A boolean value indicating whether
104 the buttons of a QDialogButtonBox should have icons.
105
106 \value UseFullScreenForPopupMenu (bool) Pop menus can cover the full screen including task bar.
107
108 \value KeyboardScheme (int) An integer value (enum KeyboardSchemes) specifying the
109 keyboard scheme.
110
111 \value UiEffects (int) A flag value consisting of UiEffect values specifying the enabled UI animations.
112
113 \value SpellCheckUnderlineStyle (int) A QTextCharFormat::UnderlineStyle specifying
114 the underline style used misspelled words when spell checking.
115
116 \value TabFocusBehavior (int) A Qt::TabFocusBehavior specifying
117 the behavior of focus change when tab key was pressed.
118 This enum value was added in Qt 5.5.
119
120 \value DialogSnapToDefaultButton (bool) Whether the mouse should snap to the default button when a dialog
121 becomes visible.
122
123 \value ContextMenuOnMouseRelease (bool) Whether the context menu should be shown on mouse release.
124
125 \value TouchDoubleTapDistance (int) The maximum distance in logical pixels which a touchpoint can travel
126 between taps in order for the tap sequence to be handled as a double tap.
127 The default value is double the MouseDoubleClickDistance, or 10 logical pixels
128 if that is not specified.
129
130 \value ShowShortcutsInContextMenus (bool) Whether to display shortcut key sequences in context menus.
131
132 \value InteractiveResizeAcrossScreens (bool) Whether using the whole virtual geometry of all the screens
133 as basis for the resize.
134 This enum value has been added in Qt 6.2.
135
136 \value ShowDirectoriesFirst (bool) Whether directories should be shown
137 first (before files) in file dialogs.
138 This enum value was added in Qt 6.3.
139
140 \value PreselectFirstFileInDirectory (bool) Whether the first file in a directory
141 should be automatically selected when a file dialog opens.
142 This enum value was added in Qt 6.3.
143
144 \value ButtonPressKeys (QList<Qt::Key>) A list of keys that can be used to press buttons via keyboard input.
145
146 \value SetFocusOnTouchRelease (bool) Whether focus objects (line edits etc) should receive
147 input focus after a touch/mouse release.
148 This enum value has been added in Qt 6.5.
149
150 \value MouseCursorTheme (QString) Name of the mouse cursor theme.
151 This enum value has been added in Qt 6.5.
152
153 \value MouseCursorSize (QSize) Size of the mouse cursor.
154 This enum value has been added in Qt 6.5.
155
156 \sa themeHint(), QStyle::pixelMetric()
157*/
158
159
160#if QT_CONFIG(shortcut)
161// Table of key bindings. It must be sorted on key sequence:
162// The integer value of VK_KEY | Modifier Keys (e.g., VK_META, and etc.)
163// A priority of 1 indicates that this is the primary key binding when multiple are defined.
164
165enum KeyPlatform {
166 KB_Win = (1 << QPlatformTheme::WindowsKeyboardScheme),
167 KB_Mac = (1 << QPlatformTheme::MacKeyboardScheme),
168 KB_X11 = (1 << QPlatformTheme::X11KeyboardScheme),
169 KB_KDE = (1 << QPlatformTheme::KdeKeyboardScheme),
170 KB_Gnome = (1 << QPlatformTheme::GnomeKeyboardScheme),
171 KB_CDE = (1 << QPlatformTheme::CdeKeyboardScheme),
172 KB_All = 0xffff
173};
174
175const QKeyBinding QPlatformThemePrivate::keyBindings[] = {
176 // StandardKey Priority Key Sequence Platforms
177 {.standardKey: QKeySequence::HelpContents, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_Question, .platform: KB_Mac},
178 {.standardKey: QKeySequence::HelpContents, .priority: 0, .shortcut: Qt::Key_F1, .platform: KB_Win | KB_X11},
179 {.standardKey: QKeySequence::WhatsThis, .priority: 1, .shortcut: Qt::SHIFT | Qt::Key_F1, .platform: KB_All},
180 {.standardKey: QKeySequence::Open, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_O, .platform: KB_All},
181 {.standardKey: QKeySequence::Close, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_F4, .platform: KB_Mac},
182 {.standardKey: QKeySequence::Close, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_F4, .platform: KB_Win},
183 {.standardKey: QKeySequence::Close, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_W, .platform: KB_Mac},
184 {.standardKey: QKeySequence::Close, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_W, .platform: KB_Win | KB_X11},
185 {.standardKey: QKeySequence::Save, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_S, .platform: KB_All},
186 {.standardKey: QKeySequence::New, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_N, .platform: KB_All},
187 {.standardKey: QKeySequence::Delete, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_D, .platform: KB_X11}, //emacs (line edit only)
188 {.standardKey: QKeySequence::Delete, .priority: 1, .shortcut: Qt::Key_Delete, .platform: KB_All},
189 {.standardKey: QKeySequence::Delete, .priority: 0, .shortcut: Qt::META | Qt::Key_D, .platform: KB_Mac},
190 {.standardKey: QKeySequence::Cut, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_X, .platform: KB_All},
191 {.standardKey: QKeySequence::Cut, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Delete, .platform: KB_Win | KB_X11}, //## Check if this should work on mac
192 {.standardKey: QKeySequence::Cut, .priority: 0, .shortcut: Qt::Key_F20, .platform: KB_X11}, //Cut on sun keyboards
193 {.standardKey: QKeySequence::Cut, .priority: 0, .shortcut: Qt::META | Qt::Key_K, .platform: KB_Mac},
194 {.standardKey: QKeySequence::Copy, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Insert, .platform: KB_X11 | KB_Win},
195 {.standardKey: QKeySequence::Copy, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_C, .platform: KB_All},
196 {.standardKey: QKeySequence::Copy, .priority: 0, .shortcut: Qt::Key_F16, .platform: KB_X11}, //Copy on sun keyboards
197 {.standardKey: QKeySequence::Paste, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Insert, .platform: KB_X11},
198 {.standardKey: QKeySequence::Paste, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_V, .platform: KB_All},
199 {.standardKey: QKeySequence::Paste, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Insert, .platform: KB_Win | KB_X11},
200 {.standardKey: QKeySequence::Paste, .priority: 0, .shortcut: Qt::Key_F18, .platform: KB_X11}, //Paste on sun keyboards
201 {.standardKey: QKeySequence::Paste, .priority: 0, .shortcut: Qt::META | Qt::Key_Y, .platform: KB_Mac},
202 {.standardKey: QKeySequence::Undo, .priority: 0, .shortcut: Qt::ALT | Qt::Key_Backspace, .platform: KB_Win},
203 {.standardKey: QKeySequence::Undo, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_Z, .platform: KB_All},
204 {.standardKey: QKeySequence::Undo, .priority: 0, .shortcut: Qt::Key_F14, .platform: KB_X11}, //Undo on sun keyboards
205 {.standardKey: QKeySequence::Redo, .priority: 0, .shortcut: Qt::ALT | Qt::SHIFT | Qt::Key_Backspace,.platform: KB_Win},
206 {.standardKey: QKeySequence::Redo, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Z, .platform: KB_Mac},
207 {.standardKey: QKeySequence::Redo, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Z, .platform: KB_Win | KB_X11},
208 {.standardKey: QKeySequence::Redo, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_Y, .platform: KB_Win},
209 {.standardKey: QKeySequence::Back, .priority: 1, .shortcut: Qt::ALT | Qt::Key_Left, .platform: KB_Win | KB_X11},
210 {.standardKey: QKeySequence::Back, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Left, .platform: KB_Mac},
211 {.standardKey: QKeySequence::Back, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_BracketLeft, .platform: KB_Mac},
212 {.standardKey: QKeySequence::Back, .priority: 0, .shortcut: Qt::Key_Backspace, .platform: KB_Win},
213 {.standardKey: QKeySequence::Forward, .priority: 1, .shortcut: Qt::ALT | Qt::Key_Right, .platform: KB_Win | KB_X11},
214 {.standardKey: QKeySequence::Forward, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Right, .platform: KB_Mac},
215 {.standardKey: QKeySequence::Forward, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_BracketRight, .platform: KB_Mac},
216 {.standardKey: QKeySequence::Forward, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Backspace, .platform: KB_Win},
217 {.standardKey: QKeySequence::Refresh, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_R, .platform: KB_Gnome | KB_Mac},
218 {.standardKey: QKeySequence::Refresh, .priority: 0, .shortcut: Qt::Key_F5, .platform: KB_Win | KB_X11},
219 {.standardKey: QKeySequence::ZoomIn, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_Plus, .platform: KB_All},
220 {.standardKey: QKeySequence::ZoomOut, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_Minus, .platform: KB_All},
221 {.standardKey: QKeySequence::Print, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_P, .platform: KB_All},
222 {.standardKey: QKeySequence::AddTab, .priority: 1, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_N, .platform: KB_KDE},
223 {.standardKey: QKeySequence::AddTab, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_T, .platform: KB_All},
224 {.standardKey: QKeySequence::NextChild, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_F6, .platform: KB_Win},
225 {.standardKey: QKeySequence::NextChild, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Tab, .platform: KB_Mac}, //different priority from above
226 {.standardKey: QKeySequence::NextChild, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_Tab, .platform: KB_Win | KB_X11},
227 {.standardKey: QKeySequence::NextChild, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_BraceRight, .platform: KB_Mac},
228 {.standardKey: QKeySequence::NextChild, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Comma, .platform: KB_KDE},
229 {.standardKey: QKeySequence::NextChild, .priority: 0, .shortcut: Qt::Key_Forward, .platform: KB_All},
230 {.standardKey: QKeySequence::PreviousChild, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_F6, .platform: KB_Win},
231 {.standardKey: QKeySequence::PreviousChild, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Backtab, .platform: KB_Mac },//different priority from above
232 {.standardKey: QKeySequence::PreviousChild, .priority: 1, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Backtab, .platform: KB_Win | KB_X11},
233 {.standardKey: QKeySequence::PreviousChild, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_BraceLeft, .platform: KB_Mac},
234 {.standardKey: QKeySequence::PreviousChild, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Period, .platform: KB_KDE},
235 {.standardKey: QKeySequence::PreviousChild, .priority: 0, .shortcut: Qt::Key_Back, .platform: KB_All},
236 {.standardKey: QKeySequence::Find, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_F, .platform: KB_All},
237 {.standardKey: QKeySequence::FindNext, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_G, .platform: KB_Win},
238 {.standardKey: QKeySequence::FindNext, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_G, .platform: KB_Gnome | KB_Mac},
239 {.standardKey: QKeySequence::FindNext, .priority: 1, .shortcut: Qt::Key_F3, .platform: KB_Win},
240 {.standardKey: QKeySequence::FindNext, .priority: 0, .shortcut: Qt::Key_F3, .platform: KB_X11},
241 {.standardKey: QKeySequence::FindPrevious, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_G, .platform: KB_Win},
242 {.standardKey: QKeySequence::FindPrevious, .priority: 1, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_G, .platform: KB_Gnome | KB_Mac},
243 {.standardKey: QKeySequence::FindPrevious, .priority: 1, .shortcut: Qt::SHIFT | Qt::Key_F3, .platform: KB_Win},
244 {.standardKey: QKeySequence::FindPrevious, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_F3, .platform: KB_X11},
245 {.standardKey: QKeySequence::Replace, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_R, .platform: KB_KDE},
246 {.standardKey: QKeySequence::Replace, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_H, .platform: KB_Gnome},
247 {.standardKey: QKeySequence::Replace, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_H, .platform: KB_Win},
248 {.standardKey: QKeySequence::SelectAll, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_A, .platform: KB_All},
249 {.standardKey: QKeySequence::Bold, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_B, .platform: KB_All},
250 {.standardKey: QKeySequence::Italic, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_I, .platform: KB_All},
251 {.standardKey: QKeySequence::Underline, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_U, .platform: KB_All},
252 {.standardKey: QKeySequence::MoveToNextChar, .priority: 1, .shortcut: Qt::Key_Right, .platform: KB_All},
253 {.standardKey: QKeySequence::MoveToNextChar, .priority: 0, .shortcut: Qt::META | Qt::Key_F, .platform: KB_Mac},
254 {.standardKey: QKeySequence::MoveToPreviousChar, .priority: 1, .shortcut: Qt::Key_Left, .platform: KB_All},
255 {.standardKey: QKeySequence::MoveToPreviousChar, .priority: 0, .shortcut: Qt::META | Qt::Key_B, .platform: KB_Mac},
256 {.standardKey: QKeySequence::MoveToNextWord, .priority: 0, .shortcut: Qt::ALT | Qt::Key_Right, .platform: KB_Mac},
257 {.standardKey: QKeySequence::MoveToNextWord, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Right, .platform: KB_Win | KB_X11},
258 {.standardKey: QKeySequence::MoveToPreviousWord, .priority: 0, .shortcut: Qt::ALT | Qt::Key_Left, .platform: KB_Mac},
259 {.standardKey: QKeySequence::MoveToPreviousWord, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Left, .platform: KB_Win | KB_X11},
260 {.standardKey: QKeySequence::MoveToNextLine, .priority: 1, .shortcut: Qt::Key_Down, .platform: KB_All},
261 {.standardKey: QKeySequence::MoveToNextLine, .priority: 0, .shortcut: Qt::META | Qt::Key_N, .platform: KB_Mac},
262 {.standardKey: QKeySequence::MoveToPreviousLine, .priority: 1, .shortcut: Qt::Key_Up, .platform: KB_All},
263 {.standardKey: QKeySequence::MoveToPreviousLine, .priority: 0, .shortcut: Qt::META | Qt::Key_P, .platform: KB_Mac},
264 {.standardKey: QKeySequence::MoveToNextPage, .priority: 0, .shortcut: Qt::META | Qt::Key_PageDown, .platform: KB_Mac},
265 {.standardKey: QKeySequence::MoveToNextPage, .priority: 0, .shortcut: Qt::META | Qt::Key_Down, .platform: KB_Mac},
266 {.standardKey: QKeySequence::MoveToNextPage, .priority: 0, .shortcut: Qt::META | Qt::Key_V, .platform: KB_Mac},
267 {.standardKey: QKeySequence::MoveToNextPage, .priority: 0, .shortcut: Qt::ALT | Qt::Key_PageDown, .platform: KB_Mac },
268 {.standardKey: QKeySequence::MoveToNextPage, .priority: 1, .shortcut: Qt::Key_PageDown, .platform: KB_All},
269 {.standardKey: QKeySequence::MoveToPreviousPage, .priority: 0, .shortcut: Qt::META | Qt::Key_PageUp, .platform: KB_Mac},
270 {.standardKey: QKeySequence::MoveToPreviousPage, .priority: 0, .shortcut: Qt::META | Qt::Key_Up, .platform: KB_Mac},
271 {.standardKey: QKeySequence::MoveToPreviousPage, .priority: 0, .shortcut: Qt::ALT | Qt::Key_PageUp, .platform: KB_Mac },
272 {.standardKey: QKeySequence::MoveToPreviousPage, .priority: 1, .shortcut: Qt::Key_PageUp, .platform: KB_All},
273 {.standardKey: QKeySequence::MoveToStartOfLine, .priority: 0, .shortcut: Qt::META | Qt::Key_Left, .platform: KB_Mac},
274 {.standardKey: QKeySequence::MoveToStartOfLine, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Left, .platform: KB_Mac },
275 {.standardKey: QKeySequence::MoveToStartOfLine, .priority: 0, .shortcut: Qt::Key_Home, .platform: KB_Win | KB_X11},
276 {.standardKey: QKeySequence::MoveToEndOfLine, .priority: 0, .shortcut: Qt::META | Qt::Key_Right, .platform: KB_Mac},
277 {.standardKey: QKeySequence::MoveToEndOfLine, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Right, .platform: KB_Mac },
278 {.standardKey: QKeySequence::MoveToEndOfLine, .priority: 0, .shortcut: Qt::Key_End, .platform: KB_Win | KB_X11},
279 {.standardKey: QKeySequence::MoveToEndOfLine, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_E, .platform: KB_X11},
280 {.standardKey: QKeySequence::MoveToStartOfBlock, .priority: 0, .shortcut: Qt::META | Qt::Key_A, .platform: KB_Mac},
281 {.standardKey: QKeySequence::MoveToStartOfBlock, .priority: 1, .shortcut: Qt::ALT | Qt::Key_Up, .platform: KB_Mac}, //mac only
282 {.standardKey: QKeySequence::MoveToEndOfBlock, .priority: 0, .shortcut: Qt::META | Qt::Key_E, .platform: KB_Mac},
283 {.standardKey: QKeySequence::MoveToEndOfBlock, .priority: 1, .shortcut: Qt::ALT | Qt::Key_Down, .platform: KB_Mac}, //mac only
284 {.standardKey: QKeySequence::MoveToStartOfDocument, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_Up, .platform: KB_Mac},
285 {.standardKey: QKeySequence::MoveToStartOfDocument, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Home, .platform: KB_Win | KB_X11},
286 {.standardKey: QKeySequence::MoveToStartOfDocument, .priority: 0, .shortcut: Qt::Key_Home, .platform: KB_Mac},
287 {.standardKey: QKeySequence::MoveToEndOfDocument, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_Down, .platform: KB_Mac},
288 {.standardKey: QKeySequence::MoveToEndOfDocument, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_End, .platform: KB_Win | KB_X11},
289 {.standardKey: QKeySequence::MoveToEndOfDocument, .priority: 0, .shortcut: Qt::Key_End, .platform: KB_Mac},
290 {.standardKey: QKeySequence::SelectNextChar, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Right, .platform: KB_All},
291 {.standardKey: QKeySequence::SelectPreviousChar, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Left, .platform: KB_All},
292 {.standardKey: QKeySequence::SelectNextWord, .priority: 0, .shortcut: Qt::ALT | Qt::SHIFT | Qt::Key_Right, .platform: KB_Mac},
293 {.standardKey: QKeySequence::SelectNextWord, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Right, .platform: KB_Win | KB_X11},
294 {.standardKey: QKeySequence::SelectPreviousWord, .priority: 0, .shortcut: Qt::ALT | Qt::SHIFT | Qt::Key_Left, .platform: KB_Mac},
295 {.standardKey: QKeySequence::SelectPreviousWord, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Left, .platform: KB_Win | KB_X11},
296 {.standardKey: QKeySequence::SelectNextLine, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Down, .platform: KB_All},
297 {.standardKey: QKeySequence::SelectPreviousLine, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Up, .platform: KB_All},
298 {.standardKey: QKeySequence::SelectNextPage, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_PageDown, .platform: KB_All},
299 {.standardKey: QKeySequence::SelectPreviousPage, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_PageUp, .platform: KB_All},
300 {.standardKey: QKeySequence::SelectStartOfLine, .priority: 0, .shortcut: Qt::META | Qt::SHIFT | Qt::Key_Left, .platform: KB_Mac},
301 {.standardKey: QKeySequence::SelectStartOfLine, .priority: 1, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Left, .platform: KB_Mac },
302 {.standardKey: QKeySequence::SelectStartOfLine, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Home, .platform: KB_Win | KB_X11},
303 {.standardKey: QKeySequence::SelectEndOfLine, .priority: 0, .shortcut: Qt::META | Qt::SHIFT | Qt::Key_Right, .platform: KB_Mac},
304 {.standardKey: QKeySequence::SelectEndOfLine, .priority: 1, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Right, .platform: KB_Mac },
305 {.standardKey: QKeySequence::SelectEndOfLine, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_End, .platform: KB_Win | KB_X11},
306 {.standardKey: QKeySequence::SelectStartOfBlock, .priority: 1, .shortcut: Qt::ALT | Qt::SHIFT | Qt::Key_Up, .platform: KB_Mac}, //mac only
307 {.standardKey: QKeySequence::SelectStartOfBlock, .priority: 0, .shortcut: Qt::META | Qt::SHIFT | Qt::Key_A, .platform: KB_Mac},
308 {.standardKey: QKeySequence::SelectEndOfBlock, .priority: 1, .shortcut: Qt::ALT | Qt::SHIFT | Qt::Key_Down, .platform: KB_Mac}, //mac only
309 {.standardKey: QKeySequence::SelectEndOfBlock, .priority: 0, .shortcut: Qt::META | Qt::SHIFT | Qt::Key_E, .platform: KB_Mac},
310 {.standardKey: QKeySequence::SelectStartOfDocument, .priority: 1, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Up, .platform: KB_Mac},
311 {.standardKey: QKeySequence::SelectStartOfDocument, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Home, .platform: KB_Win | KB_X11},
312 {.standardKey: QKeySequence::SelectStartOfDocument, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Home, .platform: KB_Mac},
313 {.standardKey: QKeySequence::SelectEndOfDocument, .priority: 1, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_Down, .platform: KB_Mac},
314 {.standardKey: QKeySequence::SelectEndOfDocument, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_End, .platform: KB_Win | KB_X11},
315 {.standardKey: QKeySequence::SelectEndOfDocument, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_End, .platform: KB_Mac},
316 {.standardKey: QKeySequence::DeleteStartOfWord, .priority: 0, .shortcut: Qt::ALT | Qt::Key_Backspace, .platform: KB_Mac},
317 {.standardKey: QKeySequence::DeleteStartOfWord, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Backspace, .platform: KB_X11 | KB_Win},
318 {.standardKey: QKeySequence::DeleteEndOfWord, .priority: 0, .shortcut: Qt::ALT | Qt::Key_Delete, .platform: KB_Mac},
319 {.standardKey: QKeySequence::DeleteEndOfWord, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Delete, .platform: KB_X11 | KB_Win},
320 {.standardKey: QKeySequence::DeleteEndOfLine, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_K, .platform: KB_X11}, //emacs (line edit only)
321 {.standardKey: QKeySequence::InsertParagraphSeparator,.priority: 0, .shortcut: Qt::Key_Enter, .platform: KB_All},
322 {.standardKey: QKeySequence::InsertParagraphSeparator,.priority: 0, .shortcut: Qt::Key_Return, .platform: KB_All},
323 {.standardKey: QKeySequence::InsertLineSeparator, .priority: 0, .shortcut: Qt::META | Qt::Key_Enter, .platform: KB_Mac},
324 {.standardKey: QKeySequence::InsertLineSeparator, .priority: 0, .shortcut: Qt::META | Qt::Key_Return, .platform: KB_Mac},
325 {.standardKey: QKeySequence::InsertLineSeparator, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Enter, .platform: KB_All},
326 {.standardKey: QKeySequence::InsertLineSeparator, .priority: 0, .shortcut: Qt::SHIFT | Qt::Key_Return, .platform: KB_All},
327 {.standardKey: QKeySequence::InsertLineSeparator, .priority: 0, .shortcut: Qt::META | Qt::Key_O, .platform: KB_Mac},
328 {.standardKey: QKeySequence::SaveAs, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_S, .platform: KB_All},
329 {.standardKey: QKeySequence::Preferences, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Comma, .platform: KB_Mac},
330 {.standardKey: QKeySequence::Quit, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Q, .platform: KB_X11 | KB_Gnome | KB_KDE | KB_Mac},
331 {.standardKey: QKeySequence::FullScreen, .priority: 1, .shortcut: Qt::META | Qt::CTRL | Qt::Key_F, .platform: KB_Mac},
332 {.standardKey: QKeySequence::FullScreen, .priority: 0, .shortcut: Qt::ALT | Qt::Key_Enter, .platform: KB_Win},
333 {.standardKey: QKeySequence::FullScreen, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_F, .platform: KB_KDE},
334 {.standardKey: QKeySequence::FullScreen, .priority: 1, .shortcut: Qt::CTRL | Qt::Key_F11, .platform: KB_Gnome},
335 {.standardKey: QKeySequence::FullScreen, .priority: 1, .shortcut: Qt::Key_F11, .platform: KB_Win | KB_KDE},
336 {.standardKey: QKeySequence::Deselect, .priority: 0, .shortcut: Qt::CTRL | Qt::SHIFT | Qt::Key_A, .platform: KB_X11},
337 {.standardKey: QKeySequence::DeleteCompleteLine, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_U, .platform: KB_X11},
338 {.standardKey: QKeySequence::Backspace, .priority: 1, .shortcut: Qt::Key_Backspace, .platform: KB_Mac},
339 {.standardKey: QKeySequence::Backspace, .priority: 0, .shortcut: Qt::META | Qt::Key_H, .platform: KB_Mac},
340 {.standardKey: QKeySequence::Cancel, .priority: 0, .shortcut: Qt::Key_Escape, .platform: KB_All},
341 {.standardKey: QKeySequence::Cancel, .priority: 0, .shortcut: Qt::CTRL | Qt::Key_Period, .platform: KB_Mac}
342};
343
344const uint QPlatformThemePrivate::numberOfKeyBindings = sizeof(QPlatformThemePrivate::keyBindings)/(sizeof(QKeyBinding));
345#endif
346
347QPlatformThemePrivate::QPlatformThemePrivate()
348 : systemPalette(nullptr)
349{ }
350
351QPlatformThemePrivate::~QPlatformThemePrivate()
352{
353 delete systemPalette;
354}
355
356Q_GUI_EXPORT QPalette qt_fusionPalette()
357{
358 auto theme = QGuiApplicationPrivate::platformTheme();
359 const bool darkAppearance = theme
360 ? theme->colorScheme() == Qt::ColorScheme::Dark
361 : false;
362 const QColor windowText = darkAppearance ? QColor(240, 240, 240) : Qt::black;
363 const QColor backGround = darkAppearance ? QColor(50, 50, 50) : QColor(239, 239, 239);
364 const QColor light = backGround.lighter(f: 150);
365 const QColor mid = (backGround.darker(f: 130));
366 const QColor midLight = mid.lighter(f: 110);
367 const QColor base = darkAppearance ? backGround.darker(f: 140) : Qt::white;
368 const QColor disabledBase(backGround);
369 const QColor dark = backGround.darker(f: 150);
370 const QColor darkDisabled = QColor(209, 209, 209).darker(f: 110);
371 const QColor text = darkAppearance ? windowText : Qt::black;
372 const QColor highlight = QColor(48, 140, 198);
373 const QColor hightlightedText = darkAppearance ? windowText : Qt::white;
374 const QColor disabledText = darkAppearance ? QColor(130, 130, 130) : QColor(190, 190, 190);
375 const QColor button = backGround;
376 const QColor shadow = dark.darker(f: 135);
377 const QColor disabledShadow = shadow.lighter(f: 150);
378 const QColor disabledHighlight(145, 145, 145);
379 QColor placeholder = text;
380 placeholder.setAlpha(128);
381
382 QPalette fusionPalette(windowText, backGround, light, dark, mid, text, base);
383 fusionPalette.setBrush(acr: QPalette::Midlight, abrush: midLight);
384 fusionPalette.setBrush(acr: QPalette::Button, abrush: button);
385 fusionPalette.setBrush(acr: QPalette::Shadow, abrush: shadow);
386 fusionPalette.setBrush(acr: QPalette::HighlightedText, abrush: hightlightedText);
387
388 fusionPalette.setBrush(cg: QPalette::Disabled, cr: QPalette::Text, brush: disabledText);
389 fusionPalette.setBrush(cg: QPalette::Disabled, cr: QPalette::WindowText, brush: disabledText);
390 fusionPalette.setBrush(cg: QPalette::Disabled, cr: QPalette::ButtonText, brush: disabledText);
391 fusionPalette.setBrush(cg: QPalette::Disabled, cr: QPalette::Base, brush: disabledBase);
392 fusionPalette.setBrush(cg: QPalette::Disabled, cr: QPalette::Dark, brush: darkDisabled);
393 fusionPalette.setBrush(cg: QPalette::Disabled, cr: QPalette::Shadow, brush: disabledShadow);
394
395 fusionPalette.setBrush(cg: QPalette::Active, cr: QPalette::Highlight, brush: highlight);
396 fusionPalette.setBrush(cg: QPalette::Inactive, cr: QPalette::Highlight, brush: highlight);
397 fusionPalette.setBrush(cg: QPalette::Disabled, cr: QPalette::Highlight, brush: disabledHighlight);
398
399 fusionPalette.setBrush(cg: QPalette::Active, cr: QPalette::Accent, brush: highlight);
400 fusionPalette.setBrush(cg: QPalette::Inactive, cr: QPalette::Accent, brush: highlight);
401 fusionPalette.setBrush(cg: QPalette::Disabled, cr: QPalette::Accent, brush: disabledHighlight);
402
403 fusionPalette.setBrush(acr: QPalette::PlaceholderText, abrush: placeholder);
404
405 // Use a more legible light blue on dark backgrounds than the default Qt::blue.
406 if (darkAppearance)
407 fusionPalette.setBrush(acr: QPalette::Link, abrush: highlight);
408
409 return fusionPalette;
410}
411
412void QPlatformThemePrivate::initializeSystemPalette()
413{
414 Q_ASSERT(!systemPalette);
415 systemPalette = new QPalette(qt_fusionPalette());
416}
417
418QPlatformTheme::QPlatformTheme()
419 : d_ptr(new QPlatformThemePrivate)
420{
421
422}
423
424QPlatformTheme::QPlatformTheme(QPlatformThemePrivate *priv)
425 : d_ptr(priv)
426{ }
427
428QPlatformTheme::~QPlatformTheme()
429{
430
431}
432
433bool QPlatformTheme::usePlatformNativeDialog(DialogType type) const
434{
435 Q_UNUSED(type);
436 return false;
437}
438
439QPlatformDialogHelper *QPlatformTheme::createPlatformDialogHelper(DialogType type) const
440{
441 Q_UNUSED(type);
442 return nullptr;
443}
444
445Qt::ColorScheme QPlatformTheme::colorScheme() const
446{
447 return Qt::ColorScheme::Unknown;
448}
449
450void QPlatformTheme::requestColorScheme(Qt::ColorScheme scheme)
451{
452 Q_UNUSED(scheme);
453}
454
455const QPalette *QPlatformTheme::palette(Palette type) const
456{
457 Q_D(const QPlatformTheme);
458 if (type == QPlatformTheme::SystemPalette) {
459 if (!d->systemPalette)
460 const_cast<QPlatformTheme *>(this)->d_ptr->initializeSystemPalette();
461 return d->systemPalette;
462 }
463 return nullptr;
464}
465
466const QFont *QPlatformTheme::font(Font type) const
467{
468 Q_UNUSED(type);
469 return nullptr;
470}
471
472QPixmap QPlatformTheme::standardPixmap(StandardPixmap sp, const QSizeF &size) const
473{
474 Q_UNUSED(sp);
475 Q_UNUSED(size);
476 // TODO Should return QCommonStyle pixmaps?
477 return QPixmap();
478}
479
480/*!
481 \brief Return an icon for \a fileInfo, observing \a iconOptions.
482
483 This function is queried by QFileIconProvider and similar classes to obtain
484 an icon for a file. If it does not return a non-null icon, fileIconPixmap()
485 is queried for a specific size.
486
487 \since 5.8
488*/
489
490QIcon QPlatformTheme::fileIcon(const QFileInfo &fileInfo, QPlatformTheme::IconOptions iconOptions) const
491{
492 Q_UNUSED(fileInfo);
493 Q_UNUSED(iconOptions);
494 // TODO Should return QCommonStyle pixmaps?
495 return QIcon();
496}
497
498QVariant QPlatformTheme::themeHint(ThemeHint hint) const
499{
500 // For theme hints which mirror platform integration style hints, query
501 // the platform integration. The base QPlatformIntegration::styleHint()
502 // function will in turn query QPlatformTheme::defaultThemeHint() if there
503 // is no custom value.
504 switch (hint) {
505 case QPlatformTheme::CursorFlashTime:
506 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::CursorFlashTime);
507 case QPlatformTheme::KeyboardInputInterval:
508 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::KeyboardInputInterval);
509 case QPlatformTheme::KeyboardAutoRepeatRate:
510 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::KeyboardAutoRepeatRate);
511 case QPlatformTheme::MouseDoubleClickInterval:
512 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::MouseDoubleClickInterval);
513 case QPlatformTheme::StartDragDistance:
514 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::StartDragDistance);
515 case QPlatformTheme::StartDragTime:
516 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::StartDragTime);
517 case QPlatformTheme::StartDragVelocity:
518 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::StartDragVelocity);
519 case QPlatformTheme::PasswordMaskDelay:
520 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::PasswordMaskDelay);
521 case QPlatformTheme::PasswordMaskCharacter:
522 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::PasswordMaskCharacter);
523 case QPlatformTheme::MousePressAndHoldInterval:
524 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::MousePressAndHoldInterval);
525 case QPlatformTheme::ItemViewActivateItemOnSingleClick:
526 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::ItemViewActivateItemOnSingleClick);
527 case QPlatformTheme::UiEffects:
528 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::UiEffects);
529 case QPlatformTheme::ShowShortcutsInContextMenus:
530 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::ShowShortcutsInContextMenus);
531 case QPlatformTheme::SetFocusOnTouchRelease:
532 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::SetFocusOnTouchRelease);
533 case QPlatformTheme::FlickStartDistance:
534 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::FlickStartDistance);
535 case QPlatformTheme::FlickMaximumVelocity:
536 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::FlickMaximumVelocity);
537 case QPlatformTheme::FlickDeceleration:
538 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::FlickDeceleration);
539 case QPlatformTheme::UnderlineShortcut:
540 return QGuiApplicationPrivate::platformIntegration()->styleHint(hint: QPlatformIntegration::UnderlineShortcut);
541 default:
542 return QPlatformTheme::defaultThemeHint(hint);
543 }
544}
545
546QVariant QPlatformTheme::defaultThemeHint(ThemeHint hint)
547{
548 switch (hint) {
549 case QPlatformTheme::CursorFlashTime:
550 return QVariant(1000);
551 case QPlatformTheme::KeyboardInputInterval:
552 return QVariant(400);
553 case QPlatformTheme::KeyboardAutoRepeatRate:
554 return QVariant(30);
555 case QPlatformTheme::MouseDoubleClickInterval:
556 return QVariant(400);
557 case QPlatformTheme::StartDragDistance:
558 return QVariant(10);
559 case QPlatformTheme::StartDragTime:
560 return QVariant(500);
561 case QPlatformTheme::PasswordMaskDelay:
562 return QVariant(int(0));
563 case QPlatformTheme::PasswordMaskCharacter:
564 return QVariant(QChar(u'\x25CF'));
565 case QPlatformTheme::StartDragVelocity:
566 return QVariant(int(0)); // no limit
567 case QPlatformTheme::UseFullScreenForPopupMenu:
568 return QVariant(false);
569 case QPlatformTheme::WindowAutoPlacement:
570 return QVariant(false);
571 case QPlatformTheme::DialogButtonBoxLayout:
572 return QVariant(int(0));
573 case QPlatformTheme::DialogButtonBoxButtonsHaveIcons:
574 return QVariant(false);
575 case QPlatformTheme::ItemViewActivateItemOnSingleClick:
576 return QVariant(false);
577 case QPlatformTheme::ToolButtonStyle:
578 return QVariant(int(Qt::ToolButtonIconOnly));
579 case QPlatformTheme::ToolBarIconSize:
580 return QVariant(int(0));
581 case QPlatformTheme::SystemIconThemeName:
582 case QPlatformTheme::SystemIconFallbackThemeName:
583 return QVariant(QString());
584 case QPlatformTheme::IconThemeSearchPaths:
585 return QVariant(QStringList());
586 case QPlatformTheme::IconFallbackSearchPaths:
587 return QVariant(QStringList());
588 case QPlatformTheme::StyleNames:
589 return QVariant(QStringList());
590 case QPlatformTheme::ShowShortcutsInContextMenus:
591 return QVariant(true);
592 case TextCursorWidth:
593 return QVariant(1);
594 case DropShadow:
595 return QVariant(false);
596 case MaximumScrollBarDragDistance:
597 return QVariant(-1);
598 case KeyboardScheme:
599 return QVariant(int(WindowsKeyboardScheme));
600 case UiEffects:
601 return QVariant(int(0));
602 case SpellCheckUnderlineStyle:
603 return QVariant(int(QTextCharFormat::WaveUnderline));
604 case TabFocusBehavior:
605 return QVariant(int(Qt::TabFocusAllControls));
606 case IconPixmapSizes:
607 return QVariant::fromValue(value: QList<int>());
608 case DialogSnapToDefaultButton:
609 case ContextMenuOnMouseRelease:
610 return QVariant(false);
611 case MousePressAndHoldInterval:
612 return QVariant(800);
613 case MouseDoubleClickDistance:
614 {
615 bool ok = false;
616 const int dist = qEnvironmentVariableIntValue(varName: "QT_DBL_CLICK_DIST", ok: &ok);
617 return QVariant(ok ? dist : 5);
618 }
619 case WheelScrollLines:
620 return QVariant(3);
621 case TouchDoubleTapDistance:
622 {
623 bool ok = false;
624 int dist = qEnvironmentVariableIntValue(varName: "QT_DBL_TAP_DIST", ok: &ok);
625 if (!ok)
626 dist = defaultThemeHint(hint: MouseDoubleClickDistance).toInt(ok: &ok) * 2;
627 return QVariant(ok ? dist : 10);
628 }
629 case MouseQuickSelectionThreshold:
630 return QVariant(10);
631 case InteractiveResizeAcrossScreens:
632 return true;
633 case ShowDirectoriesFirst:
634 return true;
635 case PreselectFirstFileInDirectory:
636 return false;
637 case ButtonPressKeys:
638 return QVariant::fromValue(value: QList<Qt::Key>({ Qt::Key_Space, Qt::Key_Select }));
639 case SetFocusOnTouchRelease:
640 return false;
641 case FlickStartDistance:
642 return QVariant(15);
643 case FlickMaximumVelocity:
644 return QVariant(2500);
645 case FlickDeceleration:
646 return QVariant(1500);
647 case MenuBarFocusOnAltPressRelease:
648 return false;
649 case MouseCursorTheme:
650 return QVariant(QString());
651 case MouseCursorSize:
652 return QVariant(QSize(16, 16));
653 case UnderlineShortcut:
654 return true;
655 case ShowIconsInMenus:
656 return true;
657 case PreferFileIconFromTheme:
658 return false;
659 }
660
661 return QVariant();
662}
663
664QPlatformMenuItem *QPlatformTheme::createPlatformMenuItem() const
665{
666 return nullptr;
667}
668
669QPlatformMenu *QPlatformTheme::createPlatformMenu() const
670{
671 return nullptr;
672}
673
674QPlatformMenuBar *QPlatformTheme::createPlatformMenuBar() const
675{
676 return nullptr;
677}
678
679#ifndef QT_NO_SYSTEMTRAYICON
680/*!
681 Factory function for QSystemTrayIcon. This function will return 0 if the platform
682 integration does not support creating any system tray icon.
683*/
684QPlatformSystemTrayIcon *QPlatformTheme::createPlatformSystemTrayIcon() const
685{
686 return nullptr;
687}
688#endif
689
690/*!
691 Factory function for the QIconEngine used by QIcon::fromTheme(). By default this
692 function returns a QIconLoaderEngine, but subclasses can reimplement it to
693 provide their own.
694
695 It is especially useful to benefit from some platform specific facilities or
696 optimizations like an inter-process cache in systems mostly built with Qt.
697
698 \since 5.1
699*/
700QIconEngine *QPlatformTheme::createIconEngine(const QString &iconName) const
701{
702 return new QIconLoaderEngine(iconName);
703}
704
705#if QT_CONFIG(shortcut)
706// mixed-mode predicate: all of these overloads are actually needed (but not all for every compiler)
707struct ByStandardKey {
708 typedef bool result_type;
709
710 bool operator()(QKeySequence::StandardKey lhs, QKeySequence::StandardKey rhs) const
711 { return lhs < rhs; }
712
713 bool operator()(const QKeyBinding& lhs, const QKeyBinding& rhs) const
714 { return operator()(lhs: lhs.standardKey, rhs: rhs.standardKey); }
715
716 bool operator()(QKeySequence::StandardKey lhs, const QKeyBinding& rhs) const
717 { return operator()(lhs, rhs: rhs.standardKey); }
718
719 bool operator()(const QKeyBinding& lhs, QKeySequence::StandardKey rhs) const
720 { return operator()(lhs: lhs.standardKey, rhs); }
721};
722
723/*!
724 Returns the key sequence that should be used for a standard action.
725
726 \since 5.2
727 */
728QList<QKeySequence> QPlatformTheme::keyBindings(QKeySequence::StandardKey key) const
729{
730 const uint platform = QPlatformThemePrivate::currentKeyPlatforms();
731 QList <QKeySequence> list;
732
733 std::pair<const QKeyBinding *, const QKeyBinding *> range =
734 std::equal_range(first: QPlatformThemePrivate::keyBindings,
735 last: QPlatformThemePrivate::keyBindings + QPlatformThemePrivate::numberOfKeyBindings,
736 val: key, comp: ByStandardKey());
737
738 for (const QKeyBinding *it = range.first; it < range.second; ++it) {
739 if (!(it->platform & platform))
740 continue;
741
742 uint shortcut = it->shortcut.toCombined();
743
744 if (it->priority > 0)
745 list.prepend(t: QKeySequence(shortcut));
746 else
747 list.append(t: QKeySequence(shortcut));
748 }
749
750 return list;
751}
752#endif
753
754/*!
755 Returns the text of a standard \a button.
756
757 \since 5.3
758 \sa QPlatformDialogHelper::StandardButton
759 */
760
761QString QPlatformTheme::standardButtonText(int button) const
762{
763 return QPlatformTheme::defaultStandardButtonText(button);
764}
765
766#if QT_CONFIG(shortcut)
767/*!
768 Returns the mnemonic that should be used for a standard \a button.
769
770 \since 5.9
771 \sa QPlatformDialogHelper::StandardButton
772 */
773
774QKeySequence QPlatformTheme::standardButtonShortcut(int button) const
775{
776 Q_UNUSED(button);
777 return QKeySequence();
778}
779#endif // QT_CONFIG(shortcut)
780
781QString QPlatformTheme::defaultStandardButtonText(int button)
782{
783 switch (button) {
784 case QPlatformDialogHelper::Ok:
785 return QCoreApplication::translate(context: "QPlatformTheme", key: "OK");
786 case QPlatformDialogHelper::Save:
787 return QCoreApplication::translate(context: "QPlatformTheme", key: "Save");
788 case QPlatformDialogHelper::SaveAll:
789 return QCoreApplication::translate(context: "QPlatformTheme", key: "Save All");
790 case QPlatformDialogHelper::Open:
791 return QCoreApplication::translate(context: "QPlatformTheme", key: "Open");
792 case QPlatformDialogHelper::Yes:
793 return QCoreApplication::translate(context: "QPlatformTheme", key: "&Yes");
794 case QPlatformDialogHelper::YesToAll:
795 return QCoreApplication::translate(context: "QPlatformTheme", key: "Yes to &All");
796 case QPlatformDialogHelper::No:
797 return QCoreApplication::translate(context: "QPlatformTheme", key: "&No");
798 case QPlatformDialogHelper::NoToAll:
799 return QCoreApplication::translate(context: "QPlatformTheme", key: "N&o to All");
800 case QPlatformDialogHelper::Abort:
801 return QCoreApplication::translate(context: "QPlatformTheme", key: "Abort");
802 case QPlatformDialogHelper::Retry:
803 return QCoreApplication::translate(context: "QPlatformTheme", key: "Retry");
804 case QPlatformDialogHelper::Ignore:
805 return QCoreApplication::translate(context: "QPlatformTheme", key: "Ignore");
806 case QPlatformDialogHelper::Close:
807 return QCoreApplication::translate(context: "QPlatformTheme", key: "Close");
808 case QPlatformDialogHelper::Cancel:
809 return QCoreApplication::translate(context: "QPlatformTheme", key: "Cancel");
810 case QPlatformDialogHelper::Discard:
811 return QCoreApplication::translate(context: "QPlatformTheme", key: "Discard");
812 case QPlatformDialogHelper::Help:
813 return QCoreApplication::translate(context: "QPlatformTheme", key: "Help");
814 case QPlatformDialogHelper::Apply:
815 return QCoreApplication::translate(context: "QPlatformTheme", key: "Apply");
816 case QPlatformDialogHelper::Reset:
817 return QCoreApplication::translate(context: "QPlatformTheme", key: "Reset");
818 case QPlatformDialogHelper::RestoreDefaults:
819 return QCoreApplication::translate(context: "QPlatformTheme", key: "Restore Defaults");
820 default:
821 break;
822 }
823 return QString();
824}
825
826QString QPlatformTheme::removeMnemonics(const QString &original)
827{
828 const auto mnemonicInParentheses = [](QStringView text) {
829 /* Format of mnemonics to remove is /\(&[^&]\)/ but accept full-width
830 forms of ( and ) as equivalent, for cross-platform compatibility with
831 MS (and consequent behavior of translators, see QTBUG-110829).
832 */
833 Q_ASSERT(text.size() == 4); // Caller's responsibility.
834 constexpr QChar wideOpen = u'\uff08', wideClose = u'\uff09';
835 if (!text.startsWith(c: u'(') && !text.startsWith(c: wideOpen))
836 return false;
837 if (text[1] != u'&' || text[2] == u'&')
838 return false;
839 return text.endsWith(c: u')') || text.endsWith(c: wideClose);
840 };
841 QString returnText(original.size(), u'\0');
842 int finalDest = 0;
843 QStringView text(original);
844 while (!text.isEmpty()) {
845 if (text.startsWith(c: u'&')) {
846 text = text.sliced(pos: 1);
847 if (text.isEmpty())
848 break;
849 } else if (text.size() >= 4 && mnemonicInParentheses(text.first(n: 4))) {
850 // Advance over the matched mnemonic:
851 text = text.sliced(pos: 4);
852 // Also strip any leading space before it:
853 while (finalDest > 0 && returnText.at(i: finalDest - 1).isSpace())
854 --finalDest;
855 continue;
856 }
857 returnText[finalDest] = text.front();
858 text = text.sliced(pos: 1);
859 ++finalDest;
860 }
861 returnText.truncate(pos: finalDest);
862 return returnText;
863}
864
865unsigned QPlatformThemePrivate::currentKeyPlatforms()
866{
867 const uint keyboardScheme = QGuiApplicationPrivate::platformTheme()->themeHint(hint: QPlatformTheme::KeyboardScheme).toInt();
868 unsigned result = 1u << keyboardScheme;
869#if QT_CONFIG(shortcut)
870 if (keyboardScheme == QPlatformTheme::KdeKeyboardScheme
871 || keyboardScheme == QPlatformTheme::GnomeKeyboardScheme
872 || keyboardScheme == QPlatformTheme::CdeKeyboardScheme)
873 result |= KB_X11;
874#endif
875 return result;
876}
877
878QString QPlatformTheme::name() const
879{
880 return d_func()->name;
881}
882
883QT_END_NAMESPACE
884
885#include "moc_qplatformtheme.cpp"
886

source code of qtbase/src/gui/kernel/qplatformtheme.cpp