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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) 2020 - 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 6 End-User License

  11.    Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).

  12. 

  13.    End User License Agreement: www.juce.com/juce-6-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. //==============================================================================

  49. #if JUCE_MAC

  50.  #import <WebKit/WebKit.h>

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

  52. 

  53.  #if JUCE_SUPPORT_CARBON

  54.   #import <Carbon/Carbon.h> // still needed for SetSystemUIMode()

  55.  #endif

  56. 

  57. #elif JUCE_IOS

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

  59.   #import <UserNotifications/UserNotifications.h>

  60.  #endif

  61. 

  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. 

  71.  #if ! JUCE_MINGW

  72.   #include <UIAutomation.h>

  73.   #include <sapi.h>

  74.  #endif

  75. 

  76.  #if JUCE_WEB_BROWSER

  77.   #include <exdisp.h>

  78.   #include <exdispid.h>

  79.  #endif

  80. 

  81.  #if JUCE_MINGW

  82.   #include <imm.h>

  83.  #elif ! JUCE_DONT_AUTOLINK_TO_WIN32_LIBRARIES

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

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

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

  87. 

  88.   #if JUCE_OPENGL

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

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

  91.   #endif

  92. 

  93.   #if JUCE_DIRECT2D

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

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

  96.   #endif

  97.  #endif

  98. #endif

  99. 

  100. #include <set>

  101. 

  102. //==============================================================================

  103. #define JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED_OR_OFFSCREEN \

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

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

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

  107. 

  108. namespace juce

  109. {

  110.     bool juce_areThereAnyAlwaysOnTopWindows();

  111. 

  112.     bool isEmbeddedInForegroundProcess (Component* c);

  113. 

  114.    #if ! JUCE_WINDOWS

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

  116.    #endif

  117. 

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

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

  120.     */

  121.     static bool isForegroundOrEmbeddedProcess (Component* viewComponent)

  122.     {

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

  124.     }

  125. 

  126.     bool isWindowOnCurrentVirtualDesktop (void*);

  127. 

  128.     struct CustomMouseCursorInfo

  129.     {

  130.         ScaledImage image;

  131.         Point<int> hotspot;

  132.     };

  133. } // namespace juce

  134. 

  135. #include "accessibility/juce_AccessibilityHandler.cpp"

  136. #include "components/juce_Component.cpp"

  137. #include "components/juce_ComponentListener.cpp"

  138. #include "components/juce_FocusTraverser.cpp"

  139. #include "mouse/juce_MouseInputSource.cpp"

  140. #include "desktop/juce_Displays.cpp"

  141. #include "desktop/juce_Desktop.cpp"

  142. #include "components/juce_ModalComponentManager.cpp"

  143. #include "mouse/juce_ComponentDragger.cpp"

  144. #include "mouse/juce_DragAndDropContainer.cpp"

  145. #include "mouse/juce_MouseEvent.cpp"

  146. #include "mouse/juce_MouseInactivityDetector.cpp"

  147. #include "mouse/juce_MouseListener.cpp"

  148. #include "keyboard/juce_CaretComponent.cpp"

  149. #include "keyboard/juce_KeyboardFocusTraverser.cpp"

  150. #include "keyboard/juce_KeyListener.cpp"

  151. #include "keyboard/juce_KeyPress.cpp"

  152. #include "keyboard/juce_ModifierKeys.cpp"

  153. #include "buttons/juce_ArrowButton.cpp"

  154. #include "buttons/juce_Button.cpp"

  155. #include "buttons/juce_DrawableButton.cpp"

  156. #include "buttons/juce_HyperlinkButton.cpp"

  157. #include "buttons/juce_ImageButton.cpp"

  158. #include "buttons/juce_ShapeButton.cpp"

  159. #include "buttons/juce_TextButton.cpp"

  160. #include "buttons/juce_ToggleButton.cpp"

  161. #include "buttons/juce_ToolbarButton.cpp"

  162. #include "drawables/juce_Drawable.cpp"

  163. #include "drawables/juce_DrawableComposite.cpp"

  164. #include "drawables/juce_DrawableImage.cpp"

  165. #include "drawables/juce_DrawablePath.cpp"

  166. #include "drawables/juce_DrawableRectangle.cpp"

  167. #include "drawables/juce_DrawableShape.cpp"

  168. #include "drawables/juce_DrawableText.cpp"

  169. #include "drawables/juce_SVGParser.cpp"

  170. #include "filebrowser/juce_DirectoryContentsDisplayComponent.cpp"

  171. #include "filebrowser/juce_DirectoryContentsList.cpp"

  172. #include "filebrowser/juce_FileBrowserComponent.cpp"

  173. #include "filebrowser/juce_FileChooser.cpp"

  174. #include "filebrowser/juce_FileChooserDialogBox.cpp"

  175. #include "filebrowser/juce_FileListComponent.cpp"

  176. #include "filebrowser/juce_FilenameComponent.cpp"

  177. #include "filebrowser/juce_FileSearchPathListComponent.cpp"

  178. #include "filebrowser/juce_FileTreeComponent.cpp"

  179. #include "filebrowser/juce_ImagePreviewComponent.cpp"

  180. #include "filebrowser/juce_ContentSharer.cpp"

  181. #include "layout/juce_ComponentAnimator.cpp"

  182. #include "layout/juce_ComponentBoundsConstrainer.cpp"

  183. #include "layout/juce_ComponentBuilder.cpp"

  184. #include "layout/juce_ComponentMovementWatcher.cpp"

  185. #include "layout/juce_ConcertinaPanel.cpp"

  186. #include "layout/juce_GroupComponent.cpp"

  187. #include "layout/juce_MultiDocumentPanel.cpp"

  188. #include "layout/juce_ResizableBorderComponent.cpp"

  189. #include "layout/juce_ResizableCornerComponent.cpp"

  190. #include "layout/juce_ResizableEdgeComponent.cpp"

  191. #include "layout/juce_ScrollBar.cpp"

  192. #include "layout/juce_SidePanel.cpp"

  193. #include "layout/juce_StretchableLayoutManager.cpp"

  194. #include "layout/juce_StretchableLayoutResizerBar.cpp"

  195. #include "layout/juce_StretchableObjectResizer.cpp"

  196. #include "layout/juce_TabbedButtonBar.cpp"

  197. #include "layout/juce_TabbedComponent.cpp"

  198. #include "layout/juce_Viewport.cpp"

  199. #include "lookandfeel/juce_LookAndFeel.cpp"

  200. #include "lookandfeel/juce_LookAndFeel_V2.cpp"

  201. #include "lookandfeel/juce_LookAndFeel_V1.cpp"

  202. #include "lookandfeel/juce_LookAndFeel_V3.cpp"

  203. #include "lookandfeel/juce_LookAndFeel_V4.cpp"

  204. #include "menus/juce_MenuBarComponent.cpp"

  205. #include "menus/juce_BurgerMenuComponent.cpp"

  206. #include "menus/juce_MenuBarModel.cpp"

  207. #include "menus/juce_PopupMenu.cpp"

  208. #include "positioning/juce_MarkerList.cpp"

  209. #include "positioning/juce_RelativeCoordinate.cpp"

  210. #include "positioning/juce_RelativeCoordinatePositioner.cpp"

  211. #include "positioning/juce_RelativeParallelogram.cpp"

  212. #include "positioning/juce_RelativePoint.cpp"

  213. #include "positioning/juce_RelativePointPath.cpp"

  214. #include "positioning/juce_RelativeRectangle.cpp"

  215. #include "properties/juce_BooleanPropertyComponent.cpp"

  216. #include "properties/juce_ButtonPropertyComponent.cpp"

  217. #include "properties/juce_ChoicePropertyComponent.cpp"

  218. #include "properties/juce_PropertyComponent.cpp"

  219. #include "properties/juce_PropertyPanel.cpp"

  220. #include "properties/juce_SliderPropertyComponent.cpp"

  221. #include "properties/juce_TextPropertyComponent.cpp"

  222. #include "properties/juce_MultiChoicePropertyComponent.cpp"

  223. #include "widgets/juce_ComboBox.cpp"

  224. #include "widgets/juce_ImageComponent.cpp"

  225. #include "widgets/juce_Label.cpp"

  226. #include "widgets/juce_ListBox.cpp"

  227. #include "widgets/juce_ProgressBar.cpp"

  228. #include "widgets/juce_Slider.cpp"

  229. #include "widgets/juce_TableHeaderComponent.cpp"

  230. #include "widgets/juce_TableListBox.cpp"

  231. #include "widgets/juce_TextEditor.cpp"

  232. #include "widgets/juce_ToolbarItemComponent.cpp"

  233. #include "widgets/juce_Toolbar.cpp"

  234. #include "widgets/juce_ToolbarItemPalette.cpp"

  235. #include "widgets/juce_TreeView.cpp"

  236. #include "windows/juce_AlertWindow.cpp"

  237. #include "windows/juce_CallOutBox.cpp"

  238. #include "windows/juce_ComponentPeer.cpp"

  239. #include "windows/juce_DialogWindow.cpp"

  240. #include "windows/juce_DocumentWindow.cpp"

  241. #include "windows/juce_ResizableWindow.cpp"

  242. #include "windows/juce_ThreadWithProgressWindow.cpp"

  243. #include "windows/juce_TooltipWindow.cpp"

  244. #include "windows/juce_TopLevelWindow.cpp"

  245. #include "commands/juce_ApplicationCommandInfo.cpp"

  246. #include "commands/juce_ApplicationCommandManager.cpp"

  247. #include "commands/juce_ApplicationCommandTarget.cpp"

  248. #include "commands/juce_KeyPressMappingSet.cpp"

  249. #include "application/juce_Application.cpp"

  250. #include "misc/juce_BubbleComponent.cpp"

  251. #include "misc/juce_DropShadower.cpp"

  252. #include "misc/juce_JUCESplashScreen.cpp"

  253. 

  254. #include "layout/juce_FlexBox.cpp"

  255. #include "layout/juce_GridItem.cpp"

  256. #include "layout/juce_Grid.cpp"

  257. 

  258. #if JUCE_IOS || JUCE_WINDOWS

  259.  #include "native/juce_MultiTouchMapper.h"

  260. #endif

  261. 

  262. #if JUCE_ANDROID || JUCE_WINDOWS

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

  264. #endif

  265. 

  266. namespace juce

  267. {

  268. 

  269. static const juce::Identifier disableAsyncLayerBackedViewIdentifier { "disableAsyncLayerBackedView" };

  270. 

  271. JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wmissing-prototypes")

  272. 

  273. /** Used by the macOS and iOS peers. */

  274. void setComponentAsyncLayerBackedViewDisabled (juce::Component& comp, bool shouldDisableAsyncLayerBackedView)

  275. {

  276.     comp.getProperties().set (disableAsyncLayerBackedViewIdentifier, shouldDisableAsyncLayerBackedView);

  277. }

  278. 

  279. /** Used by the macOS and iOS peers. */

  280. bool getComponentAsyncLayerBackedViewDisabled (juce::Component& comp)

  281. {

  282.     return comp.getProperties()[disableAsyncLayerBackedViewIdentifier];

  283. }

  284. 

  285. JUCE_END_IGNORE_WARNINGS_GCC_LIKE

  286. 

  287. } // namespace juce

  288. 

  289. #if JUCE_MAC || JUCE_IOS

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

  291. 

  292.  #if JUCE_IOS

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

  294.   #include "native/juce_ios_UIViewComponentPeer.mm"

  295.   #include "native/juce_ios_Windowing.mm"

  296.   #include "native/juce_ios_FileChooser.mm"

  297. 

  298.   #if JUCE_CONTENT_SHARING

  299.    #include "native/juce_ios_ContentSharer.cpp"

  300.   #endif

  301. 

  302.  #else

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

  304.   #include "native/juce_mac_NSViewComponentPeer.mm"

  305.   #include "native/juce_mac_Windowing.mm"

  306.   #include "native/juce_mac_MainMenu.mm"

  307.   #include "native/juce_mac_FileChooser.mm"

  308.  #endif

  309. 

  310.  #include "native/juce_mac_MouseCursor.mm"

  311. 

  312. #elif JUCE_WINDOWS

  313. 

  314.  #if ! JUCE_MINGW

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

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

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

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

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

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

  321.  #else

  322.   namespace juce

  323.   {

  324.       namespace WindowsAccessibility

  325.       {

  326.           long getUiaRootObjectId()  { return -1; }

  327.           bool handleWmGetObject (AccessibilityHandler*, WPARAM, LPARAM, LRESULT*) { return false; }

  328.           void revokeUIAMapEntriesForWindow (HWND) {}

  329.       }

  330.   }

  331.  #endif

  332. 

  333.  #include "native/juce_win32_Windowing.cpp"

  334.  #include "native/juce_win32_DragAndDrop.cpp"

  335.  #include "native/juce_win32_FileChooser.cpp"

  336. 

  337. #elif JUCE_LINUX || JUCE_BSD

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

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

  340. 

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

  342. 

  343.  #include "native/juce_linux_Windowing.cpp"

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

  345. 

  346.  JUCE_END_IGNORE_WARNINGS_GCC_LIKE

  347. 

  348.  #include "native/juce_linux_FileChooser.cpp"

  349. 

  350. #elif JUCE_ANDROID

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

  352.  #include "native/juce_android_Windowing.cpp"

  353.  #include "native/juce_common_MimeTypes.cpp"

  354.  #include "native/juce_android_FileChooser.cpp"

  355. 

  356.  #if JUCE_CONTENT_SHARING

  357.   #include "native/juce_android_ContentSharer.cpp"

  358.  #endif

  359. 

  360. #endif

  361. 

  362. namespace juce

  363. {

  364.    #if ! JUCE_NATIVE_ACCESSIBILITY_INCLUDED

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

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

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

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

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

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

  371.     {

  372.         return nullptr;

  373.     }

  374.    #else

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

  376.     {

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

  378.     }

  379.    #endif

  380. }

  381. 

  382. //==============================================================================

  383. #if JUCE_WINDOWS

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

  385. {

  386.     if (x == nullptr)

  387.         return false;

  388. 

  389.     static auto* desktopManager = []

  390.     {

  391.         // IVirtualDesktopManager Copied from ShObjdl_core.h, because it may not be defined

  392.         MIDL_INTERFACE ("a5cd92ff-29be-454c-8d04-d82879fb3f1b")

  393.         juce_IVirtualDesktopManager : public IUnknown

  394.         {

  395.         public:

  396.             virtual HRESULT STDMETHODCALLTYPE IsWindowOnCurrentVirtualDesktop(

  397.                  __RPC__in HWND topLevelWindow,

  398.                  __RPC__out BOOL * onCurrentDesktop) = 0;

  399. 

  400.             virtual HRESULT STDMETHODCALLTYPE GetWindowDesktopId(

  401.                  __RPC__in HWND topLevelWindow,

  402.                  __RPC__out GUID * desktopId) = 0;

  403. 

  404.             virtual HRESULT STDMETHODCALLTYPE MoveWindowToDesktop(

  405.                  __RPC__in HWND topLevelWindow,

  406.                  __RPC__in REFGUID desktopId) = 0;

  407.         };

  408. 

  409.         juce_IVirtualDesktopManager* result = nullptr;

  410. 

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

  412. 

  413.         class DECLSPEC_UUID("aa509086-5ca9-4c25-8f95-589d3c07b48a") juce_VirtualDesktopManager;

  414. 

  415.         if (SUCCEEDED (CoCreateInstance (__uuidof (juce_VirtualDesktopManager), nullptr, CLSCTX_ALL, IID_PPV_ARGS (&result))))

  416.             return result;

  417. 

  418.         JUCE_END_IGNORE_WARNINGS_GCC_LIKE

  419. 

  420.         return static_cast<juce_IVirtualDesktopManager*> (nullptr);

  421.     }();

  422. 

  423.     BOOL current = false;

  424. 

  425.     if (auto* dm = desktopManager)

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

  427.             return current != false;

  428. 

  429.     return true;

  430. }

  431. #else

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

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

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

  435. #endif

  436. 

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

  438. #include "mouse/juce_MouseCursor.cpp"