Usermode/AxWin3 - Implementing SendMessage for client

[tpg/acess2.git] / Usermode / Applications / axwin3_src / libaxwin3.so_src / r_widget.c

diff --git a/Usermode/Applications/axwin3_src/libaxwin3.so_src/r_widget.c b/Usermode/Applications/axwin3_src/libaxwin3.so_src/r_widget.c
index 0c945d3..9eb55bb 100644 (file)
--- a/Usermode/Applications/axwin3_src/libaxwin3.so_src/r_widget.c
+++ b/Usermode/Applications/axwin3_src/libaxwin3.so_src/r_widget.c
@@ -9,6 +9,7 @@
 #include <axwin3/widget.h>
 #include "include/internal.h"
 #include <stdlib.h>
+#include <widget_messages.h>
 
 // === STRUCTURES ===
 struct sAxWin3_Widget
@@ -22,6 +23,7 @@ typedef struct
 {
         int    nElements;
        tAxWin3_Widget  **Elements;
+        int    FirstFreeID;
        // Callbacks for each element
 } tWidgetWindowInfo;
 
@@ -45,6 +47,7 @@ tHWND AxWin3_Widget_CreateWindow(tHWND Parent, int W, int H, int RootEleFlags)
        info->nElements = 1;
        info->Elements = malloc(sizeof(tAxWin3_Widget*));
        info->Elements[0] = (void*)(info + 1);  // Get end of *info
+       info->FirstFreeID = 1;
 
        AxWin3_ResizeWindow(ret, W, H);
        
@@ -68,7 +71,46 @@ tAxWin3_Widget *AxWin3_Widget_GetRoot(tHWND Window)
 
 tAxWin3_Widget *AxWin3_Widget_AddWidget(tAxWin3_Widget *Parent, int Type, int Flags, const char *DebugName)
 {
+        int    newID;
+       tWidgetWindowInfo       *info;
+       tAxWin3_Widget  *ret;
+
+       if(!Parent)     return NULL;
+
+       info = AxWin3_int_GetDataPtr(Parent->Window);
+       
        // Assign ID
+       // TODO: Atomicity
+       for( newID = info->FirstFreeID; newID < info->nElements; newID ++ )
+       {
+               if( info->Elements[newID] == NULL )
+                       break;
+       }
+       if( info->Elements[newID] )
+       {
+               info->nElements ++;
+               info->Elements = realloc(info->Elements, sizeof(*info->Elements)*info->nElements);
+               newID = info->nElements - 1;
+       }
+       info->Elements[newID] = (void*)-1;
        
-       return NULL;
+       // Create new widget structure
+       ret = malloc(sizeof(tAxWin3_Widget));
+       ret->Window = Parent->Window;
+       ret->ID = newID;
+       ret->Callback = NULL;
+
+       info->Elements[newID] = ret;
+
+       // Send create widget message
+       {
+               char    tmp[sizeof(tWidgetMsg_Create)+1];
+               tWidgetMsg_Create       *msg = (void*)tmp;
+               msg->Parent = Parent->ID;
+               msg->NewID = newID;
+               msg->DebugName[0] = '\0';
+               AxWin3_SendMessage(ret->Window, ret->Window, MSG_WIDGET_CREATE, sizeof(tmp), tmp);
+       }
+
+       return ret;
 }