Usermode/AxWin3 - Implementing widget support in userland

[tpg/acess2.git] / Usermode / Applications / axwin3_src / WM / wm.c

diff --git a/Usermode/Applications/axwin3_src/WM/wm.c b/Usermode/Applications/axwin3_src/WM/wm.c
index a30c470..74e458a 100644 (file)
--- a/Usermode/Applications/axwin3_src/WM/wm.c
+++ b/Usermode/Applications/axwin3_src/WM/wm.c
@@ -12,8 +12,15 @@
 
 // === GLOBALS ===
 tWMRenderer    *gpWM_Renderers;
+// - Render order list (gpWM_FirstWindow is rendered first)
+tWindow        *gpWM_RootWindow;
 
 // === CODE ===
+void WM_Initialise(void)
+{
+       WM_CreateWindow(NULL, 0x8888FF, "Background");
+}
+
 void WM_RegisterRenderer(tWMRenderer *Renderer)
 {
        // TODO: Catch out duplicates
@@ -37,7 +44,26 @@ tWindow *WM_CreateWindow(tWindow *Parent, int RendererArg, const char *RendererN
 
        // - Call create window function
        ret = renderer->CreateWindow(RendererArg);
-       
+       ret->Parent = Parent;
+
+       if(!Parent)
+               Parent = gpWM_RootWindow;
+
+       // Append to parent
+       if(Parent)
+       {
+               if(Parent->LastChild)
+                       Parent->LastChild->NextSibling = ret;
+               else
+                       Parent->FirstChild = ret;
+               ret->PrevSibling = Parent->LastChild;
+               Parent->LastChild = ret;
+       }
+       else
+       {
+               gpWM_RootWindow = ret;
+       }
+
        // - Return!
        return ret;
 }
@@ -47,6 +73,29 @@ tWindow *WM_CreateWindowStruct(size_t ExtraSize)
        return calloc( sizeof(tWindow) + ExtraSize, 1 );
 }
 
+void WM_int_UpdateWindow(tWindow *Window)
+{
+       tWindow *child;
+
+       // Ignore hidden windows
+       if( !(Window->Flags & WINFLAG_SHOW) )
+               return ;
+       // Ignore unchanged windows
+       if( Window->Flags & WINFLAG_CLEAN )
+               return;
+
+       // Render
+       Window->Renderer->Redraw(Window);
+       
+       // Process children
+       for( child = Window->FirstChild; child; child = child->NextSibling )
+       {
+               WM_int_UpdateWindow(child);
+       }
+       
+       Window->Flags |= WINFLAG_CLEAN;
+}
+
 void WM_Update(void)
 {
        // - Iterate through visible windows, updating them as needed