2 * Acess2 Window Manager v3
3 * - By John Hodge (thePowersGang)
6 * - Window manager core
9 #include <wm_renderer.h>
15 tWMRenderer *gpWM_Renderers;
16 tWindow *gpWM_RootWindow;
19 void WM_Initialise(void)
21 WM_CreateWindow(NULL, 0x0088FF, "Background");
22 gpWM_RootWindow->W = giScreenWidth;
23 gpWM_RootWindow->H = giScreenHeight;
24 gpWM_RootWindow->Flags = WINFLAG_SHOW;
27 void WM_RegisterRenderer(tWMRenderer *Renderer)
29 // TODO: Catch out duplicates
30 Renderer->Next = gpWM_Renderers;
31 gpWM_Renderers = Renderer;
35 tWindow *WM_CreateWindow(tWindow *Parent, int RendererArg, const char *RendererName)
37 tWMRenderer *renderer;
41 for( renderer = gpWM_Renderers; renderer; renderer = renderer->Next )
43 if(strcmp(RendererName, renderer->Name) == 0)
49 // - Call create window function
50 ret = renderer->CreateWindow(RendererArg);
52 ret->Renderer = renderer;
55 Parent = gpWM_RootWindow;
61 Parent->LastChild->NextSibling = ret;
63 Parent->FirstChild = ret;
64 ret->PrevSibling = Parent->LastChild;
65 Parent->LastChild = ret;
69 gpWM_RootWindow = ret;
76 tWindow *WM_CreateWindowStruct(size_t ExtraSize)
80 ret = calloc( sizeof(tWindow) + ExtraSize, 1 );
81 ret->RendererInfo = ret + 1; // Get end of tWindow
86 void WM_ShowWindow(tWindow *Window, int bShow)
88 // TODO: Message window
90 Window->Flags |= WINFLAG_SHOW;
92 Window->Flags &= ~WINFLAG_SHOW;
95 int WM_MoveWindow(tWindow *Window, int X, int Y)
98 if(X + Window->W < 0) X = -Window->W + 1;
99 if(Y + Window->H < 0) Y = -Window->H + 1;
100 if(X >= giScreenWidth) X = giScreenWidth - 1;
101 if(Y >= giScreenHeight) Y = giScreenHeight - 1;
103 Window->X = X; Window->Y = Y;
108 int WM_ResizeWindow(tWindow *Window, int W, int H)
110 if(W <= 0 || H <= 0 ) return 1;
111 if(Window->X + W < 0) Window->X = -W + 1;
112 if(Window->Y + H < 0) Window->Y = -H + 1;
114 Window->W = W; Window->H = H;
119 // --- Rendering / Update
120 void WM_int_UpdateWindow(tWindow *Window)
124 // Ignore hidden windows
125 if( !(Window->Flags & WINFLAG_SHOW) )
127 // Ignore unchanged windows
128 if( Window->Flags & WINFLAG_CLEAN )
132 Window->Renderer->Redraw(Window);
135 for( child = Window->FirstChild; child; child = child->NextSibling )
137 WM_int_UpdateWindow(child);
140 Window->Flags |= WINFLAG_CLEAN;
143 void WM_int_BlitWindow(tWindow *Window)
147 // Ignore hidden windows
148 if( !(Window->Flags & WINFLAG_SHOW) )
151 Video_Blit(Window->RenderBuffer, Window->X, Window->Y, Window->W, Window->H);
153 for( child = Window->FirstChild; child; child = child->NextSibling )
155 WM_int_BlitWindow(child);
161 // Don't redraw if nothing has changed
162 if( gpWM_RootWindow->Flags & WINFLAG_CLEAN )
165 // - Iterate through visible windows, updating them as needed
166 WM_int_UpdateWindow(gpWM_RootWindow);
168 // - Draw windows from back to front to the render buffer
169 WM_int_BlitWindow(gpWM_RootWindow);
174 // --- WM Render Routines
175 // TODO: Move to another file?
176 void WM_Render_FilledRect(tWindow *Window, tColour Colour, int X, int Y, int W, int H)
180 _SysDebug("WM_Render_FilledRect(%p, 0x%x...", Window, Colour);
181 _SysDebug(" (%i,%i), %ix%i)", X, Y, W, H);
182 // Clip to window dimensions
183 if(X < 0) { W += X; X = 0; }
184 if(Y < 0) { H += Y; Y = 0; }
185 if(X >= Window->W) return;
186 if(Y >= Window->H) return;
187 if(X + W > Window->W) W = Window->W - X;
188 if(Y + H > Window->H) H = Window->H - Y;
189 _SysDebug(" Clipped to (%i,%i), %ix%i", X, Y, W, H);
194 if(!Window->RenderBuffer) {
195 Window->RenderBuffer = malloc(Window->W*Window->H*4);
198 dest = (uint32_t*)Window->RenderBuffer + Y*Window->W + X;
203 dest += Window->W - W;