UI: Optional prompt to quit for non win32 systems

D566 by @januz

Use Blender native dialog when OS dialog's aren't supported.

10 files changed, 44 insertions, 0 deletions

diff --git a/intern/ghost/GHOST_C-api.h b/intern/ghost/GHOST_C-api.h
index 967d3f58143..55a56b1b09f 100644
--- a/intern/ghost/GHOST_C-api.h
+++ b/intern/ghost/GHOST_C-api.h
@@ -898,6 +898,11 @@ extern int GHOST_toggleConsole(int action);
 extern int GHOST_confirmQuit(GHOST_WindowHandle windowhandle);
 
 /**
+ * Informs if the system provides native dialogs (eg. confirm quit)
+ */
+extern int GHOST_SupportsNativeDialogs(void);
+
+/**
  * Use native pixel size (MacBook pro 'retina'), if supported.
  */
 extern int GHOST_UseNativePixels(void);
diff --git a/intern/ghost/GHOST_ISystem.h b/intern/ghost/GHOST_ISystem.h
index 03193d6e1da..6f719572b73 100644
--- a/intern/ghost/GHOST_ISystem.h
+++ b/intern/ghost/GHOST_ISystem.h
@@ -418,6 +418,12 @@ public:
 	 * in the application
 	 */
 	virtual int confirmQuit(GHOST_IWindow *window) const = 0;
+
+	/**
+	 * Informs if the system provides native dialogs (eg. confirm quit)
+	 */
+	virtual bool supportsNativeDialogs(void) = 0;
+
 protected:
 	/**
 	 * Initialize the system.
diff --git a/intern/ghost/intern/GHOST_C-api.cpp b/intern/ghost/intern/GHOST_C-api.cpp
index ce653188760..daafe3640e0 100644
--- a/intern/ghost/intern/GHOST_C-api.cpp
+++ b/intern/ghost/intern/GHOST_C-api.cpp
@@ -893,6 +893,11 @@ int GHOST_toggleConsole(int action)
 	return system->toggleConsole(action);
 }
 
+int GHOST_SupportsNativeDialogs(void)
+{
+	GHOST_ISystem *system = GHOST_ISystem::getSystem();
+	return system->supportsNativeDialogs();
+}
 
 int GHOST_confirmQuit(GHOST_WindowHandle windowhandle)
 {
diff --git a/intern/ghost/intern/GHOST_System.cpp b/intern/ghost/intern/GHOST_System.cpp
index 56d68b98ce0..4db2f0616d7 100644
--- a/intern/ghost/intern/GHOST_System.cpp
+++ b/intern/ghost/intern/GHOST_System.cpp
@@ -380,6 +380,11 @@ int GHOST_System::confirmQuit(GHOST_IWindow * /*window*/) const
 	return 1;
 }
 
+bool GHOST_System::supportsNativeDialogs(void)
+{
+	return 1;
+}
+
 bool GHOST_System::useNativePixel(void)
 {
 	m_nativePixel = true;
diff --git a/intern/ghost/intern/GHOST_System.h b/intern/ghost/intern/GHOST_System.h
index af083996d91..50c893b1113 100644
--- a/intern/ghost/intern/GHOST_System.h
+++ b/intern/ghost/intern/GHOST_System.h
@@ -319,6 +319,10 @@ public:
 	 */
 	virtual int confirmQuit(GHOST_IWindow *window) const;
 
+	/**
+	 * Informs if the system provides native dialogs (eg. confirm quit)
+	 */
+	virtual bool supportsNativeDialogs(void);
 
 	
 protected:
diff --git a/intern/ghost/intern/GHOST_SystemNULL.h b/intern/ghost/intern/GHOST_SystemNULL.h
index 868416cd227..7c8d26d7486 100644
--- a/intern/ghost/intern/GHOST_SystemNULL.h
+++ b/intern/ghost/intern/GHOST_SystemNULL.h
@@ -52,6 +52,7 @@ public:
 	GHOST_TSuccess setCursorPosition(GHOST_TInt32 x, GHOST_TInt32 y) { return GHOST_kFailure; }
 	void getMainDisplayDimensions(GHOST_TUns32& width, GHOST_TUns32& height) const { /* nop */ }
 	void getAllDisplayDimensions(GHOST_TUns32& width, GHOST_TUns32& height) const { /* nop */ }
+	bool supportsNativeDialogs(void) { return false;}
 
 	GHOST_TSuccess init() {
 		GHOST_TSuccess success = GHOST_System::init();
diff --git a/intern/ghost/intern/GHOST_SystemSDL.cpp b/intern/ghost/intern/GHOST_SystemSDL.cpp
index e9768e4b845..db555910f4b 100644
--- a/intern/ghost/intern/GHOST_SystemSDL.cpp
+++ b/intern/ghost/intern/GHOST_SystemSDL.cpp
@@ -635,6 +635,11 @@ GHOST_SystemSDL::addDirtyWindow(GHOST_WindowSDL *bad_wind)
 	m_dirty_windows.push_back(bad_wind);
 }
 
+bool
+GHOST_SystemSDL::supportsNativeDialogs(void) 
+{
+	return false
+}
 
 GHOST_TSuccess GHOST_SystemSDL::getButtons(GHOST_Buttons& buttons) const
 {
diff --git a/intern/ghost/intern/GHOST_SystemSDL.h b/intern/ghost/intern/GHOST_SystemSDL.h
index 6f4ecec586b..41f110ed15d 100644
--- a/intern/ghost/intern/GHOST_SystemSDL.h
+++ b/intern/ghost/intern/GHOST_SystemSDL.h
@@ -95,6 +95,10 @@ public:
 	getMainDisplayDimensions(GHOST_TUns32& width,
 	                         GHOST_TUns32& height) const;
 
+	/**
+	 * Informs if the system provides native dialogs (eg. confirm quit)
+	 */
+	virtual bool supportsNativeDialogs(void);
 private:
 
 	GHOST_TSuccess
diff --git a/intern/ghost/intern/GHOST_SystemX11.cpp b/intern/ghost/intern/GHOST_SystemX11.cpp
index 9b617a34e1a..7fde6791d78 100644
--- a/intern/ghost/intern/GHOST_SystemX11.cpp
+++ b/intern/ghost/intern/GHOST_SystemX11.cpp
@@ -379,6 +379,11 @@ createWindow(const STR_String& title,
 	return window;
 }
 
+bool GHOST_SystemX11::supportsNativeDialogs(void) 
+{
+	return false;
+}
+
 #if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
 static void destroyIMCallback(XIM /*xim*/, XPointer ptr, XPointer /*data*/)
 {
diff --git a/intern/ghost/intern/GHOST_SystemX11.h b/intern/ghost/intern/GHOST_SystemX11.h
index e60cab6a194..9973f6e133f 100644
--- a/intern/ghost/intern/GHOST_SystemX11.h
+++ b/intern/ghost/intern/GHOST_SystemX11.h
@@ -97,6 +97,10 @@ public:
 	init(
 	    );
 
+	/**
+	 * Informs if the system provides native dialogs (eg. confirm quit)
+	 */
+	virtual bool supportsNativeDialogs(void);
 
 	/**
 	 * \section Interface Inherited from GHOST_ISystem