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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.  #include <UIAutomation.h>

  71.  #include <sapi.h>

  72. 

  73.  #if JUCE_WEB_BROWSER

  74.   #include <exdisp.h>

  75.   #include <exdispid.h>

  76.  #endif

  77. 

  78.  #if JUCE_MINGW

  79.   #include <imm.h>

  80.  #elif ! JUCE_DONT_AUTOLINK_TO_WIN32_LIBRARIES

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

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

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

  84. 

  85.   #if JUCE_OPENGL

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

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

  88.   #endif

  89. 

  90.   #if JUCE_DIRECT2D

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

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

  93.   #endif

  94.  #endif

  95. #endif

  96. 

  97. //==============================================================================

  98. #define JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED_OR_OFFSCREEN \

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

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

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

  102. 

  103. namespace juce

  104. {

  105.     bool juce_areThereAnyAlwaysOnTopWindows();

  106. 

  107.     bool isEmbeddedInForegroundProcess (Component* c);

  108. 

  109.    #if ! JUCE_WINDOWS

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

  111.    #endif

  112. 

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

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

  115.     */

  116.     static bool isForegroundOrEmbeddedProcess (Component* viewComponent)

  117.     {

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

  119.     }

  120. 

  121.     bool isWindowOnCurrentVirtualDesktop (void*);

  122. 

  123.     struct CustomMouseCursorInfo

  124.     {

  125.         ScaledImage image;

  126.         Point<int> hotspot;

  127.     };

  128. } // namespace juce

  129. 

  130. #include "mouse/juce_PointerState.h"

  131. 

  132. #include "accessibility/juce_AccessibilityHandler.cpp"

  133. #include "components/juce_Component.cpp"

  134. #include "components/juce_ComponentListener.cpp"

  135. #include "components/juce_FocusTraverser.cpp"

  136. #include "mouse/juce_MouseInputSource.cpp"

  137. #include "desktop/juce_Displays.cpp"

  138. #include "desktop/juce_Desktop.cpp"

  139. #include "components/juce_ModalComponentManager.cpp"

  140. #include "mouse/juce_ComponentDragger.cpp"

  141. #include "mouse/juce_DragAndDropContainer.cpp"

  142. #include "mouse/juce_MouseEvent.cpp"

  143. #include "mouse/juce_MouseInactivityDetector.cpp"

  144. #include "mouse/juce_MouseListener.cpp"

  145. #include "keyboard/juce_CaretComponent.cpp"

  146. #include "keyboard/juce_KeyboardFocusTraverser.cpp"

  147. #include "keyboard/juce_KeyListener.cpp"

  148. #include "keyboard/juce_KeyPress.cpp"

  149. #include "keyboard/juce_ModifierKeys.cpp"

  150. #include "buttons/juce_ArrowButton.cpp"

  151. #include "buttons/juce_Button.cpp"

  152. #include "buttons/juce_DrawableButton.cpp"

  153. #include "buttons/juce_HyperlinkButton.cpp"

  154. #include "buttons/juce_ImageButton.cpp"

  155. #include "buttons/juce_ShapeButton.cpp"

  156. #include "buttons/juce_TextButton.cpp"

  157. #include "buttons/juce_ToggleButton.cpp"

  158. #include "buttons/juce_ToolbarButton.cpp"

  159. #include "drawables/juce_Drawable.cpp"

  160. #include "drawables/juce_DrawableComposite.cpp"

  161. #include "drawables/juce_DrawableImage.cpp"

  162. #include "drawables/juce_DrawablePath.cpp"

  163. #include "drawables/juce_DrawableRectangle.cpp"

  164. #include "drawables/juce_DrawableShape.cpp"

  165. #include "drawables/juce_DrawableText.cpp"

  166. #include "drawables/juce_SVGParser.cpp"

  167. #include "filebrowser/juce_DirectoryContentsDisplayComponent.cpp"

  168. #include "filebrowser/juce_DirectoryContentsList.cpp"

  169. #include "filebrowser/juce_FileBrowserComponent.cpp"

  170. #include "filebrowser/juce_FileChooser.cpp"

  171. #include "filebrowser/juce_FileChooserDialogBox.cpp"

  172. #include "filebrowser/juce_FileListComponent.cpp"

  173. #include "filebrowser/juce_FilenameComponent.cpp"

  174. #include "filebrowser/juce_FileSearchPathListComponent.cpp"

  175. #include "filebrowser/juce_FileTreeComponent.cpp"

  176. #include "filebrowser/juce_ImagePreviewComponent.cpp"

  177. #include "filebrowser/juce_ContentSharer.cpp"

  178. #include "layout/juce_ComponentAnimator.cpp"

  179. #include "layout/juce_ComponentBoundsConstrainer.cpp"

  180. #include "layout/juce_ComponentBuilder.cpp"

  181. #include "layout/juce_ComponentMovementWatcher.cpp"

  182. #include "layout/juce_ConcertinaPanel.cpp"

  183. #include "layout/juce_GroupComponent.cpp"

  184. #include "layout/juce_MultiDocumentPanel.cpp"

  185. #include "layout/juce_ResizableBorderComponent.cpp"

  186. #include "layout/juce_ResizableCornerComponent.cpp"

  187. #include "layout/juce_ResizableEdgeComponent.cpp"

  188. #include "layout/juce_ScrollBar.cpp"

  189. #include "layout/juce_SidePanel.cpp"

  190. #include "layout/juce_StretchableLayoutManager.cpp"

  191. #include "layout/juce_StretchableLayoutResizerBar.cpp"

  192. #include "layout/juce_StretchableObjectResizer.cpp"

  193. #include "layout/juce_TabbedButtonBar.cpp"

  194. #include "layout/juce_TabbedComponent.cpp"

  195. #include "layout/juce_Viewport.cpp"

  196. #include "lookandfeel/juce_LookAndFeel.cpp"

  197. #include "lookandfeel/juce_LookAndFeel_V2.cpp"

  198. #include "lookandfeel/juce_LookAndFeel_V1.cpp"

  199. #include "lookandfeel/juce_LookAndFeel_V3.cpp"

  200. #include "lookandfeel/juce_LookAndFeel_V4.cpp"

  201. #include "menus/juce_MenuBarComponent.cpp"

  202. #include "menus/juce_BurgerMenuComponent.cpp"

  203. #include "menus/juce_MenuBarModel.cpp"

  204. #include "menus/juce_PopupMenu.cpp"

  205. #include "positioning/juce_MarkerList.cpp"

  206. #include "positioning/juce_RelativeCoordinate.cpp"

  207. #include "positioning/juce_RelativeCoordinatePositioner.cpp"

  208. #include "positioning/juce_RelativeParallelogram.cpp"

  209. #include "positioning/juce_RelativePoint.cpp"

  210. #include "positioning/juce_RelativePointPath.cpp"

  211. #include "positioning/juce_RelativeRectangle.cpp"

  212. #include "properties/juce_BooleanPropertyComponent.cpp"

  213. #include "properties/juce_ButtonPropertyComponent.cpp"

  214. #include "properties/juce_ChoicePropertyComponent.cpp"

  215. #include "properties/juce_PropertyComponent.cpp"

  216. #include "properties/juce_PropertyPanel.cpp"

  217. #include "properties/juce_SliderPropertyComponent.cpp"

  218. #include "properties/juce_TextPropertyComponent.cpp"

  219. #include "properties/juce_MultiChoicePropertyComponent.cpp"

  220. #include "widgets/juce_ComboBox.cpp"

  221. #include "widgets/juce_ImageComponent.cpp"

  222. #include "widgets/juce_Label.cpp"

  223. #include "widgets/juce_ListBox.cpp"

  224. #include "widgets/juce_ProgressBar.cpp"

  225. #include "widgets/juce_Slider.cpp"

  226. #include "widgets/juce_TableHeaderComponent.cpp"

  227. #include "widgets/juce_TableListBox.cpp"

  228. #include "widgets/juce_TextEditor.cpp"

  229. #include "widgets/juce_ToolbarItemComponent.cpp"

  230. #include "widgets/juce_Toolbar.cpp"

  231. #include "widgets/juce_ToolbarItemPalette.cpp"

  232. #include "widgets/juce_TreeView.cpp"

  233. #include "windows/juce_AlertWindow.cpp"

  234. #include "windows/juce_CallOutBox.cpp"

  235. #include "windows/juce_ComponentPeer.cpp"

  236. #include "windows/juce_DialogWindow.cpp"

  237. #include "windows/juce_DocumentWindow.cpp"

  238. #include "windows/juce_ResizableWindow.cpp"

  239. #include "windows/juce_ThreadWithProgressWindow.cpp"

  240. #include "windows/juce_TooltipWindow.cpp"

  241. #include "windows/juce_TopLevelWindow.cpp"

  242. #include "commands/juce_ApplicationCommandInfo.cpp"

  243. #include "commands/juce_ApplicationCommandManager.cpp"

  244. #include "commands/juce_ApplicationCommandTarget.cpp"

  245. #include "commands/juce_KeyPressMappingSet.cpp"

  246. #include "application/juce_Application.cpp"

  247. #include "misc/juce_BubbleComponent.cpp"

  248. #include "misc/juce_DropShadower.cpp"

  249. #include "misc/juce_FocusOutline.cpp"

  250. #include "misc/juce_JUCESplashScreen.cpp"

  251. 

  252. #include "layout/juce_FlexBox.cpp"

  253. #include "layout/juce_GridItem.cpp"

  254. #include "layout/juce_Grid.cpp"

  255. 

  256. #if JUCE_IOS || JUCE_WINDOWS

  257.  #include "native/juce_MultiTouchMapper.h"

  258. #endif

  259. 

  260. #if JUCE_ANDROID || JUCE_WINDOWS

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

  262. #endif

  263. 

  264. namespace juce

  265. {

  266. 

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

  268. 

  269. JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wmissing-prototypes")

  270. 

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

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

  273. {

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

  275. }

  276. 

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

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

  279. {

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

  281. }

  282. 

  283. JUCE_END_IGNORE_WARNINGS_GCC_LIKE

  284. 

  285. } // namespace juce

  286. 

  287. #if JUCE_MAC || JUCE_IOS

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

  289. 

  290.  #if JUCE_IOS

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

  292.   #include "native/juce_ios_UIViewComponentPeer.mm"

  293.   #include "native/juce_ios_Windowing.mm"

  294.   #include "native/juce_ios_FileChooser.mm"

  295. 

  296.   #if JUCE_CONTENT_SHARING

  297.    #include "native/juce_ios_ContentSharer.cpp"

  298.   #endif

  299. 

  300.  #else

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

  302.   #include "native/juce_mac_NSViewComponentPeer.mm"

  303.   #include "native/juce_mac_Windowing.mm"

  304.   #include "native/juce_mac_MainMenu.mm"

  305.   #include "native/juce_mac_FileChooser.mm"

  306.  #endif

  307. 

  308.  #include "native/juce_mac_MouseCursor.mm"

  309. 

  310. #elif JUCE_WINDOWS

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

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

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

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

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

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

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

  318.  #include "native/juce_win32_Windowing.cpp"

  319.  #include "native/juce_win32_DragAndDrop.cpp"

  320.  #include "native/juce_win32_FileChooser.cpp"

  321. 

  322. #elif JUCE_LINUX || JUCE_BSD

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

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

  325. 

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

  327. 

  328.  #include "native/juce_linux_Windowing.cpp"

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

  330. 

  331.  JUCE_END_IGNORE_WARNINGS_GCC_LIKE

  332. 

  333.  #include "native/juce_linux_FileChooser.cpp"

  334. 

  335. #elif JUCE_ANDROID

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

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

  338.  #include "native/juce_android_Windowing.cpp"

  339.  #include "native/juce_android_FileChooser.cpp"

  340. 

  341.  #if JUCE_CONTENT_SHARING

  342.   #include "native/juce_android_ContentSharer.cpp"

  343.  #endif

  344. 

  345. #endif

  346. 

  347. namespace juce

  348. {

  349.    #if ! JUCE_NATIVE_ACCESSIBILITY_INCLUDED

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

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

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

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

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

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

  356.     {

  357.         return nullptr;

  358.     }

  359.    #else

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

  361.     {

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

  363.     }

  364.    #endif

  365. }

  366. 

  367. //==============================================================================

  368. #if JUCE_WINDOWS

  369. namespace juce

  370. {

  371. 

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

  373. {

  374. public:

  375.     virtual HRESULT STDMETHODCALLTYPE IsWindowOnCurrentVirtualDesktop(

  376.          __RPC__in HWND topLevelWindow,

  377.          __RPC__out BOOL * onCurrentDesktop) = 0;

  378. 

  379.     virtual HRESULT STDMETHODCALLTYPE GetWindowDesktopId(

  380.          __RPC__in HWND topLevelWindow,

  381.          __RPC__out GUID * desktopId) = 0;

  382. 

  383.     virtual HRESULT STDMETHODCALLTYPE MoveWindowToDesktop(

  384.          __RPC__in HWND topLevelWindow,

  385.          __RPC__in REFGUID desktopId) = 0;

  386. };

  387. 

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

  389. 

  390. } // namespace juce

  391. 

  392. #ifdef __CRT_UUID_DECL

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

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

  395. #endif

  396. 

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

  398. {

  399.     if (x == nullptr)

  400.         return false;

  401. 

  402.     static auto* desktopManager = []

  403.     {

  404.         JuceIVirtualDesktopManager* result = nullptr;

  405. 

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

  407. 

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

  409.             return result;

  410. 

  411.         JUCE_END_IGNORE_WARNINGS_GCC_LIKE

  412. 

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

  414.     }();

  415. 

  416.     BOOL current = false;

  417. 

  418.     if (auto* dm = desktopManager)

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

  420.             return current != false;

  421. 

  422.     return true;

  423. }

  424. 

  425. #else

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

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

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

  429. #endif

  430. 

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

  432. #include "mouse/juce_MouseCursor.cpp"