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The JUCE cross-platform C++ framework, with DISTRHO/KXStudio specific changes
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JUCE/modules/juce_gui_basics/juce_gui_basics.cpp

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  1. /*

  2.   ==============================================================================

  3. 

  4.    This file is part of the JUCE library.

  5.    Copyright (c) 2022 - Raw Material Software Limited

  6. 

  7.    JUCE is an open source library subject to commercial or open-source

  8.    licensing.

  9. 

  10.    By using JUCE, you agree to the terms of both the JUCE 7 End-User License

  11.    Agreement and JUCE Privacy Policy.

  12. 

  13.    End User License Agreement: www.juce.com/juce-7-licence

  14.    Privacy Policy: www.juce.com/juce-privacy-policy

  15. 

  16.    Or: You may also use this code under the terms of the GPL v3 (see

  17.    www.gnu.org/licenses).

  18. 

  19.    JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER

  20.    EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE

  21.    DISCLAIMED.

  22. 

  23.   ==============================================================================

  24. */

  25. 

  26. #ifdef JUCE_GUI_BASICS_H_INCLUDED

  27.  /* When you add this cpp file to your project, you mustn't include it in a file where you've

  28.     already included any other headers - just put it inside a file on its own, possibly with your config

  29.     flags preceding it, but don't include anything else. That also includes avoiding any automatic prefix

  30.     header files that the compiler may be using.

  31.  */

  32.  #error "Incorrect use of JUCE cpp file"

  33. #endif

  34. 

  35. #define NS_FORMAT_FUNCTION(F,A) // To avoid spurious warnings from GCC

  36. 

  37. #define JUCE_CORE_INCLUDE_OBJC_HELPERS 1

  38. #define JUCE_CORE_INCLUDE_COM_SMART_PTR 1

  39. #define JUCE_CORE_INCLUDE_JNI_HELPERS 1

  40. #define JUCE_CORE_INCLUDE_NATIVE_HEADERS 1

  41. #define JUCE_EVENTS_INCLUDE_WIN32_MESSAGE_WINDOW 1

  42. #define JUCE_GRAPHICS_INCLUDE_COREGRAPHICS_HELPERS 1

  43. #define JUCE_GUI_BASICS_INCLUDE_XHEADERS 1

  44. #define JUCE_GUI_BASICS_INCLUDE_SCOPED_THREAD_DPI_AWARENESS_SETTER 1

  45. 

  46. #include "juce_gui_basics.h"

  47. 

  48. #include <cctype>

  49. 

  50. //==============================================================================

  51. #if JUCE_MAC

  52.  #import <WebKit/WebKit.h>

  53.  #import <IOKit/pwr_mgt/IOPMLib.h>

  54.  #import <MetalKit/MetalKit.h>

  55. 

  56. #elif JUCE_IOS

  57.  #if JUCE_PUSH_NOTIFICATIONS && defined (__IPHONE_10_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_10_0

  58.   #import <UserNotifications/UserNotifications.h>

  59.  #endif

  60. 

  61.  #import <MetalKit/MetalKit.h>

  62.  #import <UIKit/UIActivityViewController.h>

  63. 

  64. //==============================================================================

  65. #elif JUCE_WINDOWS

  66.  #include <windowsx.h>

  67.  #include <vfw.h>

  68.  #include <commdlg.h>

  69.  #include <commctrl.h>

  70.  #include <UIAutomation.h>

  71.  #include <sapi.h>

  72.  #include <Dxgi.h>

  73. 

  74.  #if JUCE_WEB_BROWSER

  75.   #include <exdisp.h>

  76.   #include <exdispid.h>

  77.  #endif

  78. 

  79.  #if JUCE_MINGW

  80.   #include <imm.h>

  81.  #elif ! JUCE_DONT_AUTOLINK_TO_WIN32_LIBRARIES

  82.   #pragma comment(lib, "vfw32.lib")

  83.   #pragma comment(lib, "imm32.lib")

  84.   #pragma comment(lib, "comctl32.lib")

  85.   #pragma comment(lib, "dxgi.lib")

  86. 

  87.   #if JUCE_OPENGL

  88.    #pragma comment(lib, "OpenGL32.Lib")

  89.    #pragma comment(lib, "GlU32.Lib")

  90.   #endif

  91. 

  92.   #if JUCE_DIRECT2D

  93.    #pragma comment (lib, "Dwrite.lib")

  94.    #pragma comment (lib, "D2d1.lib")

  95.   #endif

  96.  #endif

  97. #endif

  98. 

  99. //==============================================================================

  100. #define JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED_OR_OFFSCREEN \

  101.     jassert ((MessageManager::getInstanceWithoutCreating() != nullptr \

  102.                && MessageManager::getInstanceWithoutCreating()->currentThreadHasLockedMessageManager()) \

  103.               || getPeer() == nullptr);

  104. 

  105. namespace juce

  106. {

  107.     bool juce_areThereAnyAlwaysOnTopWindows();

  108. 

  109.     bool isEmbeddedInForegroundProcess (Component* c);

  110. 

  111.    #if ! JUCE_WINDOWS

  112.     bool isEmbeddedInForegroundProcess (Component*) { return false; }

  113.    #endif

  114. 

  115.     /*  Returns true if this process is in the foreground, or if the viewComponent

  116.         is embedded into a window owned by the foreground process.

  117.     */

  118.     static bool isForegroundOrEmbeddedProcess (Component* viewComponent)

  119.     {

  120.         return Process::isForegroundProcess() || isEmbeddedInForegroundProcess (viewComponent);

  121.     }

  122. 

  123.     bool isWindowOnCurrentVirtualDesktop (void*);

  124. 

  125.     struct CustomMouseCursorInfo

  126.     {

  127.         ScaledImage image;

  128.         Point<int> hotspot;

  129.     };

  130. 

  131.     template <typename MemberFn>

  132.     static const AccessibilityHandler* getEnclosingHandlerWithInterface (const AccessibilityHandler* handler, MemberFn fn)

  133.     {

  134.         if (handler == nullptr)

  135.             return nullptr;

  136. 

  137.         if ((handler->*fn)() != nullptr)

  138.             return handler;

  139. 

  140.         return getEnclosingHandlerWithInterface (handler->getParent(), fn);

  141.     }

  142. } // namespace juce

  143. 

  144. #include "mouse/juce_PointerState.h"

  145. 

  146. #include "accessibility/juce_AccessibilityHandler.cpp"

  147. #include "components/juce_Component.cpp"

  148. #include "components/juce_ComponentListener.cpp"

  149. #include "components/juce_FocusTraverser.cpp"

  150. #include "mouse/juce_MouseInputSource.cpp"

  151. #include "desktop/juce_Displays.cpp"

  152. #include "desktop/juce_Desktop.cpp"

  153. #include "components/juce_ModalComponentManager.cpp"

  154. #include "mouse/juce_ComponentDragger.cpp"

  155. #include "mouse/juce_DragAndDropContainer.cpp"

  156. #include "mouse/juce_MouseEvent.cpp"

  157. #include "mouse/juce_MouseInactivityDetector.cpp"

  158. #include "mouse/juce_MouseListener.cpp"

  159. #include "keyboard/juce_CaretComponent.cpp"

  160. #include "keyboard/juce_KeyboardFocusTraverser.cpp"

  161. #include "keyboard/juce_KeyListener.cpp"

  162. #include "keyboard/juce_KeyPress.cpp"

  163. #include "keyboard/juce_ModifierKeys.cpp"

  164. #include "buttons/juce_ArrowButton.cpp"

  165. #include "buttons/juce_Button.cpp"

  166. #include "buttons/juce_DrawableButton.cpp"

  167. #include "buttons/juce_HyperlinkButton.cpp"

  168. #include "buttons/juce_ImageButton.cpp"

  169. #include "buttons/juce_ShapeButton.cpp"

  170. #include "buttons/juce_TextButton.cpp"

  171. #include "buttons/juce_ToggleButton.cpp"

  172. #include "buttons/juce_ToolbarButton.cpp"

  173. #include "drawables/juce_Drawable.cpp"

  174. #include "drawables/juce_DrawableComposite.cpp"

  175. #include "drawables/juce_DrawableImage.cpp"

  176. #include "drawables/juce_DrawablePath.cpp"

  177. #include "drawables/juce_DrawableRectangle.cpp"

  178. #include "drawables/juce_DrawableShape.cpp"

  179. #include "drawables/juce_DrawableText.cpp"

  180. #include "drawables/juce_SVGParser.cpp"

  181. #include "filebrowser/juce_DirectoryContentsDisplayComponent.cpp"

  182. #include "filebrowser/juce_DirectoryContentsList.cpp"

  183. #include "filebrowser/juce_FileBrowserComponent.cpp"

  184. #include "filebrowser/juce_FileChooser.cpp"

  185. #include "filebrowser/juce_FileChooserDialogBox.cpp"

  186. #include "filebrowser/juce_FileListComponent.cpp"

  187. #include "filebrowser/juce_FilenameComponent.cpp"

  188. #include "filebrowser/juce_FileSearchPathListComponent.cpp"

  189. #include "filebrowser/juce_FileTreeComponent.cpp"

  190. #include "filebrowser/juce_ImagePreviewComponent.cpp"

  191. #include "filebrowser/juce_ContentSharer.cpp"

  192. #include "layout/juce_ComponentAnimator.cpp"

  193. #include "layout/juce_ComponentBoundsConstrainer.cpp"

  194. #include "layout/juce_ComponentBuilder.cpp"

  195. #include "layout/juce_ComponentMovementWatcher.cpp"

  196. #include "layout/juce_ConcertinaPanel.cpp"

  197. #include "layout/juce_GroupComponent.cpp"

  198. #include "layout/juce_MultiDocumentPanel.cpp"

  199. #include "layout/juce_ResizableBorderComponent.cpp"

  200. #include "layout/juce_ResizableCornerComponent.cpp"

  201. #include "layout/juce_ResizableEdgeComponent.cpp"

  202. #include "layout/juce_ScrollBar.cpp"

  203. #include "layout/juce_SidePanel.cpp"

  204. #include "layout/juce_StretchableLayoutManager.cpp"

  205. #include "layout/juce_StretchableLayoutResizerBar.cpp"

  206. #include "layout/juce_StretchableObjectResizer.cpp"

  207. #include "layout/juce_TabbedButtonBar.cpp"

  208. #include "layout/juce_TabbedComponent.cpp"

  209. #include "layout/juce_Viewport.cpp"

  210. #include "lookandfeel/juce_LookAndFeel.cpp"

  211. #include "lookandfeel/juce_LookAndFeel_V2.cpp"

  212. #include "lookandfeel/juce_LookAndFeel_V1.cpp"

  213. #include "lookandfeel/juce_LookAndFeel_V3.cpp"

  214. #include "lookandfeel/juce_LookAndFeel_V4.cpp"

  215. #include "menus/juce_MenuBarComponent.cpp"

  216. #include "menus/juce_BurgerMenuComponent.cpp"

  217. #include "menus/juce_MenuBarModel.cpp"

  218. #include "menus/juce_PopupMenu.cpp"

  219. #include "positioning/juce_MarkerList.cpp"

  220. #include "positioning/juce_RelativeCoordinate.cpp"

  221. #include "positioning/juce_RelativeCoordinatePositioner.cpp"

  222. #include "positioning/juce_RelativeParallelogram.cpp"

  223. #include "positioning/juce_RelativePoint.cpp"

  224. #include "positioning/juce_RelativePointPath.cpp"

  225. #include "positioning/juce_RelativeRectangle.cpp"

  226. #include "properties/juce_BooleanPropertyComponent.cpp"

  227. #include "properties/juce_ButtonPropertyComponent.cpp"

  228. #include "properties/juce_ChoicePropertyComponent.cpp"

  229. #include "properties/juce_PropertyComponent.cpp"

  230. #include "properties/juce_PropertyPanel.cpp"

  231. #include "properties/juce_SliderPropertyComponent.cpp"

  232. #include "properties/juce_TextPropertyComponent.cpp"

  233. #include "properties/juce_MultiChoicePropertyComponent.cpp"

  234. #include "widgets/juce_ComboBox.cpp"

  235. #include "widgets/juce_ImageComponent.cpp"

  236. #include "widgets/juce_Label.cpp"

  237. #include "widgets/juce_ListBox.cpp"

  238. #include "widgets/juce_ProgressBar.cpp"

  239. #include "widgets/juce_Slider.cpp"

  240. #include "widgets/juce_TableHeaderComponent.cpp"

  241. #include "widgets/juce_TableListBox.cpp"

  242. #include "widgets/juce_TextEditor.cpp"

  243. #include "widgets/juce_ToolbarItemComponent.cpp"

  244. #include "widgets/juce_Toolbar.cpp"

  245. #include "widgets/juce_ToolbarItemPalette.cpp"

  246. #include "widgets/juce_TreeView.cpp"

  247. #include "windows/juce_AlertWindow.cpp"

  248. #include "windows/juce_CallOutBox.cpp"

  249. #include "windows/juce_ComponentPeer.cpp"

  250. #include "windows/juce_DialogWindow.cpp"

  251. #include "windows/juce_DocumentWindow.cpp"

  252. #include "windows/juce_ResizableWindow.cpp"

  253. #include "windows/juce_ThreadWithProgressWindow.cpp"

  254. #include "windows/juce_TooltipWindow.cpp"

  255. #include "windows/juce_TopLevelWindow.cpp"

  256. #include "commands/juce_ApplicationCommandInfo.cpp"

  257. #include "commands/juce_ApplicationCommandManager.cpp"

  258. #include "commands/juce_ApplicationCommandTarget.cpp"

  259. #include "commands/juce_KeyPressMappingSet.cpp"

  260. #include "application/juce_Application.cpp"

  261. #include "misc/juce_BubbleComponent.cpp"

  262. #include "misc/juce_DropShadower.cpp"

  263. #include "misc/juce_FocusOutline.cpp"

  264. #include "misc/juce_JUCESplashScreen.cpp"

  265. 

  266. #include "layout/juce_FlexBox.cpp"

  267. #include "layout/juce_GridItem.cpp"

  268. #include "layout/juce_Grid.cpp"

  269. 

  270. #if JUCE_IOS || JUCE_WINDOWS

  271.  #include "native/juce_MultiTouchMapper.h"

  272. #endif

  273. 

  274. #if JUCE_ANDROID || JUCE_WINDOWS || JUCE_IOS || JUCE_UNIT_TESTS

  275.  #include "native/accessibility/juce_AccessibilityTextHelpers.h"

  276. #endif

  277. 

  278. #if JUCE_MAC || JUCE_IOS

  279.  #include "native/accessibility/juce_mac_AccessibilitySharedCode.mm"

  280. 

  281.  #if JUCE_IOS

  282.   #include "native/juce_ios_UIViewComponentPeer.mm"

  283.   #include "native/accessibility/juce_ios_Accessibility.mm"

  284.   #include "native/juce_ios_Windowing.mm"

  285.   #include "native/juce_ios_FileChooser.mm"

  286. 

  287.   #if JUCE_CONTENT_SHARING

  288.    #include "native/juce_ios_ContentSharer.cpp"

  289.   #endif

  290. 

  291.  #else

  292.   #include "native/accessibility/juce_mac_Accessibility.mm"

  293.   #include "native/juce_mac_NSViewComponentPeer.mm"

  294.   #include "native/juce_mac_Windowing.mm"

  295.   #include "native/juce_mac_MainMenu.mm"

  296.   #include "native/juce_mac_FileChooser.mm"

  297.  #endif

  298. 

  299.  #include "native/juce_mac_MouseCursor.mm"

  300. 

  301. #elif JUCE_WINDOWS

  302.  #include "native/accessibility/juce_win32_ComInterfaces.h"

  303.  #include "native/accessibility/juce_win32_WindowsUIAWrapper.h"

  304.  #include "native/accessibility/juce_win32_AccessibilityElement.h"

  305.  #include "native/accessibility/juce_win32_UIAHelpers.h"

  306.  #include "native/accessibility/juce_win32_UIAProviders.h"

  307.  #include "native/accessibility/juce_win32_AccessibilityElement.cpp"

  308.  #include "native/accessibility/juce_win32_Accessibility.cpp"

  309.  #include "native/juce_win32_Windowing.cpp"

  310.  #include "native/juce_win32_DragAndDrop.cpp"

  311.  #include "native/juce_win32_FileChooser.cpp"

  312. 

  313. #elif JUCE_LINUX || JUCE_BSD

  314.  #include "native/x11/juce_linux_X11_Symbols.cpp"

  315.  #include "native/x11/juce_linux_X11_DragAndDrop.cpp"

  316. 

  317.  JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wzero-as-null-pointer-constant")

  318. 

  319.  #include "native/juce_linux_Windowing.cpp"

  320.  #include "native/x11/juce_linux_XWindowSystem.cpp"

  321. 

  322.  JUCE_END_IGNORE_WARNINGS_GCC_LIKE

  323. 

  324.  #include "native/juce_linux_FileChooser.cpp"

  325. 

  326. #elif JUCE_ANDROID

  327.  #include "juce_core/files/juce_common_MimeTypes.h"

  328.  #include "native/accessibility/juce_android_Accessibility.cpp"

  329.  #include "native/juce_android_Windowing.cpp"

  330.  #include "native/juce_android_FileChooser.cpp"

  331. 

  332.  #if JUCE_CONTENT_SHARING

  333.   #include "native/juce_android_ContentSharer.cpp"

  334.  #endif

  335. 

  336. #endif

  337. 

  338. namespace juce

  339. {

  340.    #if ! JUCE_NATIVE_ACCESSIBILITY_INCLUDED

  341.     class AccessibilityHandler::AccessibilityNativeImpl { public: AccessibilityNativeImpl (AccessibilityHandler&) {} };

  342.     void AccessibilityHandler::notifyAccessibilityEvent (AccessibilityEvent) const {}

  343.     void AccessibilityHandler::postAnnouncement (const String&, AnnouncementPriority) {}

  344.     AccessibilityNativeHandle* AccessibilityHandler::getNativeImplementation() const { return nullptr; }

  345.     void notifyAccessibilityEventInternal (const AccessibilityHandler&, InternalAccessibilityEvent) {}

  346.     std::unique_ptr<AccessibilityHandler::AccessibilityNativeImpl> AccessibilityHandler::createNativeImpl (AccessibilityHandler&)

  347.     {

  348.         return nullptr;

  349.     }

  350.    #else

  351.     std::unique_ptr<AccessibilityHandler::AccessibilityNativeImpl> AccessibilityHandler::createNativeImpl (AccessibilityHandler& handler)

  352.     {

  353.         return std::make_unique<AccessibilityNativeImpl> (handler);

  354.     }

  355.    #endif

  356. }

  357. 

  358. //==============================================================================

  359. #if JUCE_WINDOWS

  360. namespace juce

  361. {

  362. 

  363. JUCE_COMCLASS (JuceIVirtualDesktopManager, "a5cd92ff-29be-454c-8d04-d82879fb3f1b") : public IUnknown

  364. {

  365. public:

  366.     virtual HRESULT STDMETHODCALLTYPE IsWindowOnCurrentVirtualDesktop(

  367.          __RPC__in HWND topLevelWindow,

  368.          __RPC__out BOOL * onCurrentDesktop) = 0;

  369. 

  370.     virtual HRESULT STDMETHODCALLTYPE GetWindowDesktopId(

  371.          __RPC__in HWND topLevelWindow,

  372.          __RPC__out GUID * desktopId) = 0;

  373. 

  374.     virtual HRESULT STDMETHODCALLTYPE MoveWindowToDesktop(

  375.          __RPC__in HWND topLevelWindow,

  376.          __RPC__in REFGUID desktopId) = 0;

  377. };

  378. 

  379. JUCE_COMCLASS (JuceVirtualDesktopManager, "aa509086-5ca9-4c25-8f95-589d3c07b48a");

  380. 

  381. } // namespace juce

  382. 

  383. #ifdef __CRT_UUID_DECL

  384. __CRT_UUID_DECL (juce::JuceIVirtualDesktopManager, 0xa5cd92ff, 0x29be, 0x454c, 0x8d, 0x04, 0xd8, 0x28, 0x79, 0xfb, 0x3f, 0x1b)

  385. __CRT_UUID_DECL (juce::JuceVirtualDesktopManager,  0xaa509086, 0x5ca9, 0x4c25, 0x8f, 0x95, 0x58, 0x9d, 0x3c, 0x07, 0xb4, 0x8a)

  386. #endif

  387. 

  388. bool juce::isWindowOnCurrentVirtualDesktop (void* x)

  389. {

  390.     if (x == nullptr)

  391.         return false;

  392. 

  393.     static auto* desktopManager = []

  394.     {

  395.         JuceIVirtualDesktopManager* result = nullptr;

  396. 

  397.         JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")

  398. 

  399.         if (SUCCEEDED (CoCreateInstance (__uuidof (JuceVirtualDesktopManager), nullptr, CLSCTX_ALL, IID_PPV_ARGS (&result))))

  400.             return result;

  401. 

  402.         JUCE_END_IGNORE_WARNINGS_GCC_LIKE

  403. 

  404.         return static_cast<JuceIVirtualDesktopManager*> (nullptr);

  405.     }();

  406. 

  407.     BOOL current = false;

  408. 

  409.     if (auto* dm = desktopManager)

  410.         if (SUCCEEDED (dm->IsWindowOnCurrentVirtualDesktop (static_cast<HWND> (x), &current)))

  411.             return current != false;

  412. 

  413.     return true;

  414. }

  415. 

  416. #else

  417.  bool juce::isWindowOnCurrentVirtualDesktop (void*) { return true; }

  418.  juce::ScopedDPIAwarenessDisabler::ScopedDPIAwarenessDisabler()  { ignoreUnused (previousContext); }

  419.  juce::ScopedDPIAwarenessDisabler::~ScopedDPIAwarenessDisabler() {}

  420. #endif

  421. 

  422. // Depends on types defined in platform-specific windowing files

  423. #include "mouse/juce_MouseCursor.cpp"

  424. 

  425. #if JUCE_UNIT_TESTS

  426. #include "native/accessibility/juce_AccessibilityTextHelpers_test.cpp"

  427. #endif