Added a test application for view transit changes, including the problem

of stealing (not anymore) mouse messages that are important for maintaining
the correct transit.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28003 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/servers/app/Jamfile

@@ -190,6 +190,7 @@ SubInclude HAIKU_TOP src tests servers app statusbar ;
 SubInclude HAIKU_TOP src tests servers app stress_test ;
 SubInclude HAIKU_TOP src tests servers app textview ;
 SubInclude HAIKU_TOP src tests servers app view_state ;
+SubInclude HAIKU_TOP src tests servers app view_transit ;
 SubInclude HAIKU_TOP src tests servers app window_creation ;
 SubInclude HAIKU_TOP src tests servers app workspace_activated ;
 SubInclude HAIKU_TOP src tests servers app workspace_switcher ;

src/tests/servers/app/view_transit/Jamfile

@@ -0,0 +1,13 @@
+SubDir HAIKU_TOP src tests servers app view_transit ;
+
+SetSubDirSupportedPlatformsBeOSCompatible ;
+AddSubDirSupportedPlatforms libbe_test ;
+
+UseHeaders [ FDirName os app ] ;
+UseHeaders [ FDirName os interface ] ;
+
+Application ViewState :
+	ViewTransit.cpp
+	: be
+;
+

src/tests/servers/app/view_transit/ViewTransit.cpp

@@ -0,0 +1,134 @@
+/*
+ * Copyright 2008, Stephan Aßmus <[email protected]>
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <Application.h>
+#include <Window.h>
+#include <View.h>
+
+#include <stdio.h>
+
+
+class View : public BView {
+public:
+						View(BRect rect, const char* name, uint32 followMode,
+							uint8 red, uint8 green, uint8 blue);
+		virtual			~View();
+
+		virtual void	Draw(BRect updateRect);
+
+		virtual	void	MouseDown(BPoint where);
+		virtual	void	MouseMoved(BPoint where, uint32 transit,
+							const BMessage* dragMessage);
+
+private:
+				void	_SetTransit(uint32 transit);
+
+				uint32	fLastTransit;
+};
+
+
+View::View(BRect rect, const char* name, uint32 followMode,
+		uint8 red, uint8 green, uint8 blue)
+	: BView(rect, name, followMode, B_WILL_DRAW),
+	  fLastTransit(B_OUTSIDE_VIEW)
+{
+	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+	SetHighColor(red, green, blue);
+}
+
+
+View::~View()
+{
+}
+
+
+void
+View::Draw(BRect updateRect)
+{
+	if (fLastTransit == B_INSIDE_VIEW || fLastTransit == B_ENTERED_VIEW)
+		FillRect(updateRect);
+}
+
+
+void
+View::MouseDown(BPoint where)
+{
+	uint32 buttons;
+	do {
+		GetMouse(&where, &buttons);
+	} while (buttons != 0);
+}
+
+
+void
+View::MouseMoved(BPoint where, uint32 transit, const BMessage* dragMessage)
+{
+	_SetTransit(transit);
+}
+
+
+void
+View::_SetTransit(uint32 transit)
+{
+	if (transit == fLastTransit)
+		return;
+
+	switch (transit) {
+		case B_ENTERED_VIEW:
+			if (fLastTransit == B_INSIDE_VIEW)
+				printf("%s, B_ENTERED_VIEW, but already inside!\n", Name());
+			break;
+
+		case B_EXITED_VIEW:
+			if (fLastTransit == B_OUTSIDE_VIEW)
+				printf("%s, B_EXITED_VIEW, but already outside!\n", Name());
+			break;
+
+		case B_INSIDE_VIEW:
+			if (fLastTransit == B_OUTSIDE_VIEW)
+				printf("%s, B_INSIDE_VIEW, but never entered!\n", Name());
+			if (fLastTransit == B_EXITED_VIEW)
+				printf("%s, B_INSIDE_VIEW, but just exited!\n", Name());
+			break;
+
+		case B_OUTSIDE_VIEW:
+			if (fLastTransit == B_INSIDE_VIEW)
+				printf("%s, B_OUTSIDE_VIEW, but never exited!\n", Name());
+			if (fLastTransit == B_ENTERED_VIEW)
+				printf("%s, B_OUTSIDE_VIEW, but just entered!\n", Name());
+			break;
+	}
+
+	fLastTransit = transit;
+	Invalidate();
+}
+
+
+//	#pragma mark -
+
+
+int 
+main(int argc, char **argv)
+{
+	BApplication app("application/x-vnd.haiku-view_transit");
+
+	BWindow* window = new BWindow(BRect(100, 100, 400, 400),
+		"ViewTransit-Test", B_TITLED_WINDOW,
+		B_ASYNCHRONOUS_CONTROLS | B_QUIT_ON_WINDOW_CLOSE);
+
+	BRect frame = window->Bounds();
+	frame.right /= 2;
+	window->AddChild(new View(frame, "L ", B_FOLLOW_ALL, 255, 0, 0));
+	frame.left = frame.right + 1;
+	frame.right = window->Bounds().right;
+	window->AddChild(new View(frame, "R", B_FOLLOW_TOP_BOTTOM | B_FOLLOW_RIGHT,
+		0, 255, 0));
+
+	window->Show();
+
+	app.Run();
+	return 0;
+}