[Linux] Port some bits from Alchemy & future to stop using dark-ages deprecated GDK/GTK.

Todo: Revisit this and clean up some code duplication I stumbled over in the process. (legacy.cpp llwindowsdl.cpp)

indra/cmake/00-Common.cmake

@@ -136,6 +136,10 @@ if (LINUX)
     -DLL_LINUX=1
     -DAPPID=secondlife
     -D_REENTRANT
+    -DGDK_DISABLE_DEPRECATED 
+    -DGTK_DISABLE_DEPRECATED
+    -DGSEAL_ENABLE
+    -DGTK_DISABLE_SINGLE_INCLUDES
   )
 
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")

indra/llwindow/llwindowsdl.cpp

@@ -45,12 +45,13 @@
 
 #if LL_GTK
 extern "C" {
-# include <gtk/gtk.h>
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
 #if GTK_CHECK_VERSION(2, 24, 0)
 #include <gdk/gdkx.h>
 #endif
 }
-#include <locale.h>
+#include <clocale>
 #endif // LL_GTK
 
 extern "C" {
@@ -1543,7 +1544,7 @@ BOOL LLWindowSDL::SDLReallyCaptureInput(BOOL capture)
 				
 				XUngrabPointer(mSDL_Display, CurrentTime);
 				// Make sure the ungrab happens RIGHT NOW.
-				XSync(mSDL_Display, False);
+				XSync(mSDL_Display, FALSE);
 			} else
 			{
 				newmode = SDL_GRAB_QUERY; // neutral
@@ -2269,8 +2270,12 @@ S32 OSMessageBoxSDL(const std::string& text, const std::string& caption, U32 typ
 		    gWindowImplementation->mSDL_XWindowID != None)
 		{
 			gtk_widget_realize(GTK_WIDGET(win)); // so we can get its gdkwin
-			GdkWindow *gdkwin = gdk_window_foreign_new(gWindowImplementation->mSDL_XWindowID);
+#if GTK_CHECK_VERSION(2, 24, 0)
-			gdk_window_set_transient_for(GTK_WIDGET(win)->window, gdkwin);
+			GdkWindow* gdkwin = gdk_x11_window_foreign_new_for_display(gdk_display_get_default(), static_cast<Window>(gWindowImplementation->mSDL_XWindowID));
+#else
+			GdkWindow* gdkwin = gdk_window_foreign_new(static_cast<GdkNativeWindow>(gWindowImplementation->mSDL_XWindowID));
+#endif
+			gdk_window_set_transient_for(gtk_widget_get_window(GTK_WIDGET(win)), gdkwin);
 		}
 # endif //LL_X11
 
@@ -2384,12 +2389,16 @@ BOOL LLWindowSDL::dialogColorPicker( F32 *r, F32 *g, F32 *b)
 		if (mSDL_XWindowID != None)
 		{
 			gtk_widget_realize(GTK_WIDGET(win)); // so we can get its gdkwin
-			GdkWindow *gdkwin = gdk_window_foreign_new(mSDL_XWindowID);
+#if GTK_CHECK_VERSION(2, 24, 0)
-			gdk_window_set_transient_for(GTK_WIDGET(win)->window, gdkwin);
+			GdkWindow* gdkwin = gdk_x11_window_foreign_new_for_display(gdk_display_get_default(), static_cast<Window>(mSDL_XWindowID));
+#else
+			GdkWindow* gdkwin = gdk_window_foreign_new(static_cast<GdkNativeWindow>(mSDL_XWindowID));
+#endif	  
+			gdk_window_set_transient_for(gtk_widget_get_window(GTK_WIDGET(win)), gdkwin);
 		}
-# endif //LL_X11
+#endif //LL_X11
 
-		GtkColorSelection *colorsel = GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG(win)->colorsel);
+		GtkColorSelection *colorsel = GTK_COLOR_SELECTION (gtk_color_selection_dialog_get_color_selection (GTK_COLOR_SELECTION_DIALOG(win)));
 
 		GdkColor color, orig_color;
 		orig_color.pixel = 0;
@@ -2415,8 +2424,6 @@ BOOL LLWindowSDL::dialogColorPicker( F32 *r, F32 *g, F32 *b)
 
 		gtk_window_set_modal(GTK_WINDOW(win), TRUE);
 		gtk_widget_show_all(win);
-		// hide the help button - we don't service it.
-		gtk_widget_hide(GTK_COLOR_SELECTION_DIALOG(win)->help_button);
 		gtk_main();
 
 		if (response == GTK_RESPONSE_OK &&
@@ -2498,7 +2505,7 @@ void LLWindowSDL::spawnWebBrowser(const std::string& escaped_url, bool async)
 	if (mSDL_Display)
 	{
 		// Just in case - before forking.
-		XSync(mSDL_Display, False);
+		XSync(mSDL_Display, FALSE);
 	}
 # endif // LL_X11
 
@@ -2548,7 +2555,7 @@ void LLWindowSDL::bringToFront()
 	if (mSDL_Display && !mFullscreen)
 	{
 		XRaiseWindow(mSDL_Display, mSDL_XWindowID);
-		XSync(mSDL_Display, False);
+		XSync(mSDL_Display, FALSE);
 	}
 #endif // LL_X11
 }

indra/plugins/filepicker/llfilepicker.cpp

@@ -35,6 +35,21 @@
 #include "llerror.h"
 #include "basic_plugin_base.h"		// For PLS_INFOS etc.
 
+#if LL_SDL
+
+#if LL_GTK
+extern "C" {
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#if GTK_CHECK_VERSION(2, 24, 0)
+#include <gdk/gdkx.h>
+#endif
+}
+#include <clocale>
+#endif // LL_GTK
+
+#endif // LL_SDL
+
 //
 // Globals
 //
@@ -1332,11 +1347,21 @@ GtkWindow* LLFilePickerBase::buildFilePicker(bool is_save, bool is_folder, std::
 		// Make GTK tell the window manager to associate this
 		// dialog with our non-GTK raw X11 window, which should try
 		// to keep it on top etc.
-		if (mX11WindowID != None)
+		if (None != mX11WindowID)
 		{
 			gtk_widget_realize(GTK_WIDGET(win)); // so we can get its gdkwin
-			GdkWindow *gdkwin = gdk_window_foreign_new(mX11WindowID);
+
-			gdk_window_set_transient_for(GTK_WIDGET(win)->window, gdkwin);
+#if GTK_CHECK_VERSION(2, 24, 0)
+			GdkWindow *gdkwin = gdk_x11_window_foreign_new_for_display(gdk_display_get_default(), static_cast<Window>(mX11WindowID));
+#else
+			GdkWindow *gdkwin = gdk_window_foreign_new(static_cast<GdkNativeWindow>(mX11WindowID));
+#endif
+
+			gdk_window_set_transient_for(gtk_widget_get_window(GTK_WIDGET(win)), gdkwin);
+		}
+		else
+		{
+			LL_WARNS() << "Hmm, couldn't get xwid to use for transient." << LL_ENDL;
 		}
 #  endif //LL_X11
 

indra/plugins/filepicker/llfilepicker.h

@@ -43,6 +43,13 @@
 #include "legacy.h"
 #include <vector>
 
+#if LL_GTK
+extern "C" {
+// mostly for Linux, possible on others
+# include <gtk/gtk.h>
+}
+#endif // LL_GTK
+
 // This class is used as base class of a singleton and is therefore not
 // allowed to have any static members or static local variables!
 class LLFilePickerBase