Usermode/axwin3 - Input fixes
[tpg/acess2.git] / Usermode / Applications / axwin3_src / WM / wm.c
index a056a52..8886af1 100644 (file)
 #include <decorator.h>
 
 // === IMPORTS ===
-extern void    IPC_SendWMMessage(tIPC_Client *Client, uint32_t Src, uint32_t Dst, int Msg, int Len, void *Data);
+extern void    IPC_SendWMMessage(tIPC_Client *Client, uint32_t Src, uint32_t Dst, int Msg, int Len, const void *Data);
+extern void    IPC_SendReply(tIPC_Client *Client, uint32_t WinID, int MsgID, size_t Len, const void *Data);
+extern tWindow *IPC_int_GetWindow(tIPC_Client *Client, uint32_t ID);
 
 // === GLOBALS ===
 tWMRenderer    *gpWM_Renderers;
 tWindow        *gpWM_RootWindow;
 //! Window which will recieve the next keyboard event
 tWindow        *gpWM_FocusedWindow;
+//! Hilighted window (owner of the currently focused window)
+tWindow        *gpWM_HilightedWindow;
 
 // === CODE ===
 void WM_Initialise(void)
@@ -53,26 +57,26 @@ tWindow *WM_CreateWindow(tWindow *Parent, tIPC_Client *Client, uint32_t ID, int
        if(renderer == NULL)
                return NULL;
 
-       if(!Parent)
-               Parent = gpWM_RootWindow;
-
        // - Call create window function
        ret = renderer->CreateWindow(RendererArg);
        ret->Client = Client;
        ret->ID = ID;
        ret->Parent = Parent;
+       if(!ret->Parent)
+               ret->Parent = gpWM_RootWindow;
+       ret->Owner = Parent;
        ret->Renderer = renderer;
        ret->Flags |= WINFLAG_CLEAN;    // Needed to stop invaildate early exiting
 
        // Append to parent
-       if(Parent)
+       if(ret->Parent)
        {
-               if(Parent->LastChild)
-                       Parent->LastChild->NextSibling = ret;
+               if(ret->Parent->LastChild)
+                       ret->Parent->LastChild->NextSibling = ret;
                else
-                       Parent->FirstChild = ret;
-               ret->PrevSibling = Parent->LastChild;
-               Parent->LastChild = ret;
+                       ret->Parent->FirstChild = ret;
+               ret->PrevSibling = ret->Parent->LastChild;
+               ret->Parent->LastChild = ret;
                ret->NextSibling = NULL;
        }
        else
@@ -81,7 +85,7 @@ tWindow *WM_CreateWindow(tWindow *Parent, tIPC_Client *Client, uint32_t ID, int
        }
 
        // Don't decorate child windows by default
-       if(Parent != gpWM_RootWindow)
+       if(Parent)
        {
                ret->Flags |= WINFLAG_NODECORATE;
        }
@@ -90,6 +94,11 @@ tWindow *WM_CreateWindow(tWindow *Parent, tIPC_Client *Client, uint32_t ID, int
        return ret;
 }
 
+tWindow *WM_GetWindowByID(tWindow *Requester, uint32_t ID)
+{
+       return IPC_int_GetWindow(Requester->Client, ID);
+}
+
 tWindow *WM_CreateWindowStruct(size_t ExtraSize)
 {
        tWindow *ret;
@@ -131,47 +140,94 @@ void WM_RaiseWindow(tWindow *Window)
        Window->PrevSibling = parent->LastChild;
        Window->NextSibling = NULL;
        parent->LastChild = Window;
+       
+       _SysDebug("Raised %p", Window);
+}
+
+/*
+void WM_RaiseWindow(tWindow *Window)
+{
+       // Move to the last render position (move to top)
+       while(Window && Window->Parent)
+       {
+               if( Window->NextSibling )
+               {
+                       // remove
+                       if( Window->PrevSibling )
+                               Window->PrevSibling->NextSibling = Window->NextSibling;
+                       Window->NextSibling->PrevSibling = Window->PrevSibling;
+                       // Mutate self
+                       Window->PrevSibling = Window->Parent->LastChild;
+                       Window->NextSibling = NULL;
+                       // re-add
+                       Window->PrevSibling->NextSibling = Window;
+                       Window->Parent->LastChild = Window;
+               }
+               _SysDebug("WM_RaiseWindow: Raised %p", Window);
+               Window = Window->Parent;
+       }
 }
+*/
 
 void WM_FocusWindow(tWindow *Destination)
 {
        struct sWndMsg_Bool     _msg;
        
+       _SysDebug("WM_FocusWindow(%p)", Destination);
+
        if( gpWM_FocusedWindow == Destination )
                return ;
        if( Destination && !(Destination->Flags & WINFLAG_SHOW) )
                return ;
        
-       _msg.Val = 0;
-       WM_SendMessage(NULL, gpWM_FocusedWindow, WNDMSG_FOCUS, sizeof(_msg), &_msg);
-       _msg.Val = 1;
-       WM_SendMessage(NULL, Destination, WNDMSG_FOCUS, sizeof(_msg), &_msg);
-       
+       if( gpWM_FocusedWindow )
+       {
+               _msg.Val = 0;
+               WM_SendMessage(NULL, gpWM_FocusedWindow, WNDMSG_FOCUS, sizeof(_msg), &_msg);
+       }
+       if( Destination )
+       {
+               _msg.Val = 1;
+               WM_SendMessage(NULL, Destination, WNDMSG_FOCUS, sizeof(_msg), &_msg);
+       }
+               
+       WM_Invalidate(gpWM_FocusedWindow);
+       WM_Invalidate(Destination);
+
        gpWM_FocusedWindow = Destination;
 }
 
 
 void WM_ShowWindow(tWindow *Window, int bShow)
 {
-       // Message window
        struct sWndMsg_Bool     _msg;
        
        if( !!(Window->Flags & WINFLAG_SHOW) == bShow )
                return ;
 
+       // Message window
        _msg.Val = !!bShow;
        WM_SendMessage(NULL, Window, WNDMSG_SHOW, sizeof(_msg), &_msg);
-       
-       if(bShow)
+
+       // Update the flag
+       if(bShow) {
                Window->Flags |= WINFLAG_SHOW;
-       else {
+               _SysDebug("Window %p shown", Window);
+       }
+       else
+       {
                Window->Flags &= ~WINFLAG_SHOW;
+
                if( Window == gpWM_FocusedWindow )
                        WM_FocusWindow(Window->Parent);
+               
+               // Just a little memory saving for large hidden windows
+               if(Window->RenderBuffer) {
+                       free(Window->RenderBuffer);
+                       Window->RenderBuffer = NULL;
+               }
+               _SysDebug("Window %p hidden", Window);
        }
-       // Just a little memory saving for large hidden windows
-       if(Window->RenderBuffer)
-               free(Window->RenderBuffer);
        
        WM_Invalidate(Window);
 }
@@ -187,23 +243,60 @@ void WM_DecorateWindow(tWindow *Window, int bDecorate)
                Window->Flags |= WINFLAG_NODECORATE;
        
        // Needed because the window size changes
-       if(Window->RenderBuffer)
+       if(Window->RenderBuffer) {
                free(Window->RenderBuffer);
+               Window->RenderBuffer = NULL;
+       }
        
        WM_Invalidate(Window);
 }
 
+void WM_SetRelative(tWindow *Window, int bRelativeToParent)
+{
+//     _SysDebug("WM_SetRelative: (%p{Parent=%p},%i)", Window, Window->Parent, bRelativeToParent);
+       // No meaning if no parent
+       if( !Window->Parent )
+               return ;
+
+       // Check that the flag is changing
+       if( !!bRelativeToParent == !!(Window->Flags & WINFLAG_RELATIVE) )
+               return ;
+
+       if( bRelativeToParent ) {
+               // Set
+               Window->Flags |= WINFLAG_RELATIVE;
+               WM_MoveWindow(Window, Window->X, Window->Y);
+       }
+       else {
+               // Clear
+               Window->Flags &= ~WINFLAG_RELATIVE;
+               WM_MoveWindow(Window, Window->X - Window->Parent->X, Window->Y - Window->Parent->Y);
+       }
+}
+
 int WM_MoveWindow(tWindow *Window, int X, int Y)
 {
+//     _SysDebug("Move %p to (%i,%i)", Window, X, Y);
        // Clip coordinates
        if(X + Window->W < 0)   X = -Window->W + 1;
        if(Y + Window->H < 0)   Y = -Window->H + 1;
        if(X >= giScreenWidth)  X = giScreenWidth - 1;
        if(Y >= giScreenHeight) Y = giScreenHeight - 1;
        
+       // If relative to the parent, extra checks
+       if( (Window->Flags & WINFLAG_RELATIVE) && Window->Parent )
+       {
+               if( X > Window->Parent->W )     return 1;
+               if( Y > Window->Parent->H )     return 1;
+       }
+       // TODO: Re-sanitise
+
+       _SysDebug("WM_MoveWindow: (%i,%i)", X, Y);
        Window->X = X;  Window->Y = Y;
 
-       WM_Invalidate(Window);
+       // Mark up the tree that a child window has changed     
+       while( (Window = Window->Parent) )
+               Window->Flags &= ~WINFLAG_CHILDCLEAN;
 
        return 0;
 }
@@ -214,10 +307,16 @@ int WM_ResizeWindow(tWindow *Window, int W, int H)
        if(Window->X + W < 0)   Window->X = -W + 1;
        if(Window->Y + H < 0)   Window->Y = -H + 1;
 
+       if( Window->W == W && Window->H == H )
+               return 0;
+
+       _SysDebug("WM_Resizeindow: %ix%i", W, H);
        Window->W = W;  Window->H = H;
 
-       if(Window->RenderBuffer)
+       if(Window->RenderBuffer) {
                free(Window->RenderBuffer);
+               Window->RenderBuffer = NULL;
+       }
        WM_Invalidate(Window);
 
        {
@@ -230,20 +329,36 @@ int WM_ResizeWindow(tWindow *Window, int W, int H)
        return 0;
 }
 
-int WM_SendMessage(tWindow *Source, tWindow *Dest, int Message, int Length, void *Data)
+int WM_SendMessage(tWindow *Source, tWindow *Dest, int Message, int Length, const void *Data)
 {
-       if(Dest == NULL)        return -2;
-       if(Length > 0 && Data == NULL)  return -1;
+//     _SysDebug("WM_SendMessage: (%p, %p, %i, %i, %p)", Source, Dest, Message, Length, Data);
+       if(Dest == NULL) {
+               _SysDebug("WM_SendMessage: NULL destination from %p", __builtin_return_address(0));
+               return -2;
+       }
+       if(Length > 0 && Data == NULL) {
+               _SysDebug("WM_SendMessage: non-zero length and NULL data");
+               return -1;
+       }
+
+       if( Decorator_HandleMessage(Dest, Message, Length, Data) != 1 )
+       {
+               // TODO: Catch errors from ->HandleMessage
+//             _SysDebug("WM_SendMessage: Decorator grabbed message?");
+               return 0;
+       }
        
        // ->HandleMessage returns 1 when the message was not handled
        if( Dest->Renderer->HandleMessage(Dest, Message, Length, Data) != 1 )
        {
                // TODO: Catch errors from ->HandleMessage
+//             _SysDebug("WM_SendMessage: Renderer grabbed message?");
                return 0;
        }
 
        // TODO: Implement message masking
 
+       // Dispatch to client
        if(Dest->Client)
        {
                uint32_t        src_id;
@@ -258,15 +373,23 @@ int WM_SendMessage(tWindow *Source, tWindow *Dest, int Message, int Length, void
                        src_id = Source->ID;
                }
                
+//             _SysDebug("WM_SendMessage: IPC Dispatch");
                IPC_SendWMMessage(Dest->Client, src_id, Dest->ID, Message, Length, Data);
        }       
 
        return 1;
 }
 
+int WM_SendIPCReply(tWindow *Window, int Message, size_t Length, const void *Data)
+{
+       IPC_SendReply(Window->Client, Window->ID, Message, Length, Data);
+       return 0;
+}
+
 void WM_Invalidate(tWindow *Window)
 {
-       _SysDebug("Invalidating %p", Window);
+       if(!Window)     return ;
+//     _SysDebug("Invalidating %p", Window);
        // Don't invalidate twice (speedup)
 //     if( !(Window->Flags & WINFLAG_CLEAN) )  return;
 
@@ -281,23 +404,34 @@ void WM_Invalidate(tWindow *Window)
 // --- Rendering / Update
 void WM_int_UpdateWindow(tWindow *Window)
 {
-       tWindow *child;
+        int    bDecoratorRedraw = 0;
 
        // Ignore hidden windows
        if( !(Window->Flags & WINFLAG_SHOW) )
                return ;
        
+       if( (Window->Flags & WINFLAG_RELATIVE) && Window->Parent )
+       {
+               Window->RealX = Window->Parent->RealX + Window->Parent->BorderL + Window->X;
+               Window->RealY = Window->Parent->RealY + Window->Parent->BorderT + Window->Y;
+       }
+       else
+       {
+               Window->RealX = Window->X;
+               Window->RealY = Window->Y;
+       }
+       
        // Render
        if( !(Window->Flags & WINFLAG_CLEAN) )
        {
                // Calculate RealW/RealH
                if( !(Window->Flags & WINFLAG_NODECORATE) )
                {
-                       _SysDebug("Applying decorations to %p", Window);
+                       //_SysDebug("Applying decorations to %p", Window);
                        Decorator_UpdateBorderSize(Window);
                        Window->RealW = Window->BorderL + Window->W + Window->BorderR;
                        Window->RealH = Window->BorderT + Window->H + Window->BorderB;
-                       Decorator_Redraw(Window);
+                       bDecoratorRedraw = 1;
                }
                else
                {
@@ -308,7 +442,7 @@ void WM_int_UpdateWindow(tWindow *Window)
                        Window->RealW = Window->W;
                        Window->RealH = Window->H;
                }
-               
+
                Window->Renderer->Redraw(Window);
                Window->Flags |= WINFLAG_CLEAN;
        }
@@ -316,6 +450,7 @@ void WM_int_UpdateWindow(tWindow *Window)
        // Process children
        if( !(Window->Flags & WINFLAG_CHILDCLEAN) )
        {
+               tWindow *child;
                for( child = Window->FirstChild; child; child = child->NextSibling )
                {
                        WM_int_UpdateWindow(child);
@@ -323,6 +458,8 @@ void WM_int_UpdateWindow(tWindow *Window)
                Window->Flags |= WINFLAG_CHILDCLEAN;
        }
        
+       if( bDecoratorRedraw )
+               Decorator_Redraw(Window);
 }
 
 void WM_int_BlitWindow(tWindow *Window)
@@ -332,10 +469,33 @@ void WM_int_BlitWindow(tWindow *Window)
        // Ignore hidden windows
        if( !(Window->Flags & WINFLAG_SHOW) )
                return ;
+       
+       // Duplicated position update to handle window moving
+       if( (Window->Flags & WINFLAG_RELATIVE) && Window->Parent )
+       {
+               Window->RealX = Window->Parent->RealX + Window->Parent->BorderL + Window->X;
+               Window->RealY = Window->Parent->RealY + Window->Parent->BorderT + Window->Y;
+       }
+       else
+       {
+               Window->RealX = Window->X;
+               Window->RealY = Window->Y;
+       }
 
-       _SysDebug("Blit %p to (%i,%i) %ix%i", Window, Window->X, Window->Y, Window->RealW, Window->RealH);
-       Video_Blit(Window->RenderBuffer, Window->X, Window->Y, Window->RealW, Window->RealH);
+//     _SysDebug("Blit %p (%p) to (%i,%i) %ix%i", Window, Window->RenderBuffer,
+//             Window->RealX, Window->RealY, Window->RealW, Window->RealH);
+       Video_Blit(Window->RenderBuffer, Window->RealX, Window->RealY, Window->RealW, Window->RealH);
        
+       if( Window == gpWM_FocusedWindow && Window->CursorW )
+       {
+               Video_FillRect(
+                       Window->RealX + Window->BorderL + Window->CursorX,
+                       Window->RealY + Window->BorderT + Window->CursorY,
+                       Window->CursorW, Window->CursorH,
+                       0x000000
+                       );
+       }
+
        for( child = Window->FirstChild; child; child = child->NextSibling )
        {
                WM_int_BlitWindow(child);

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