Usermode/Applications/axwin0_src/wm.c

   1 /*\r
   2 Acess OS GUI\r
   3 Window Manager\r
   4 */\r
   5 #include "header.h"\r
   6 #include <stdio.h>\r
   7 #include <stdlib.h>\r
   8 \r
   9 #define DEBUG   0\r
  10 #define EXPORT  \r
  11 \r
  12 // === STRUCTURES ===\r
  13 typedef struct sWINDOW_LIST {\r
  14         struct sWINDOW_LIST     *next;\r
  15         tWINDOW *wnd;\r
  16 }       tWINDOW_LIST;\r
  17 \r
  18 // === IMPORTS ===\r
  19 extern int      giScreenWidth,giScreenHeight;\r
  20 \r
  21 //GLOBALS\r
  22 static tWINDOW          *hwndRootWindow = NULL;\r
  23 static tWINDOW_LIST     *windowList = NULL;\r
  24 \r
  25 //PROTOTYPES\r
  26 void wmDrawWindow(tWINDOW *wnd);\r
  27 void wmRepaintWindow(tWINDOW *wnd);\r
  28 void wmRepaintScreen(tWINDOW_LIST *ent);\r
  29 void wmInvalidateWindow(tWINDOW *wnd);\r
  30 \r
  31 //CODE\r
  32 void wmUpdateWindows()\r
  33 {\r
  34         if(windowList == NULL)  return;\r
  35         wmRepaintScreen(windowList);\r
  36         //wmRepaintWindow(hwndRootWindow);\r
  37 }\r
  38 \r
  39 EXPORT void     *WM_CreateWindow(int x, int y, int w, int h, wndproc_t wndProc, Uint flags)\r
  40 {\r
  41         tWINDOW *tmpWindow;\r
  42         tWINDOW_LIST    *tmpListEnt;\r
  43         \r
  44         \r
  45         #if DEBUG\r
  46                 //k_printf("WM_CreateWindow: (x=%i,y=%i,w=%i,h=%i,wndProc=0x%x,flags=0x%x)\n", x,y,w,h,wndProc,flags);\r
  47         #endif\r
  48         \r
  49         if(x < 0 || y < 0 || wndProc == NULL)\r
  50                 return 0;\r
  51         \r
  52         tmpWindow = (tWINDOW*)malloc(sizeof(tWINDOW));\r
  53         if(tmpWindow == NULL)\r
  54                 return NULL;\r
  55         \r
  56         #if DEBUG\r
  57                 //k_printf(" WM_CreateWindow: tmpWindow = 0x%x\n", tmpWindow);\r
  58         #endif\r
  59         \r
  60         tmpWindow->handle = tmpWindow;\r
  61         tmpWindow->flags = flags;\r
  62         tmpWindow->wndproc = wndProc;\r
  63         tmpWindow->bmp.bpp = 32;\r
  64         tmpWindow->bmp.width = (w==-1?giScreenWidth:w);\r
  65         tmpWindow->bmp.height = (h==-1?giScreenHeight:h);\r
  66         tmpWindow->bmp.data = (void *) malloc(4*tmpWindow->bmp.width*tmpWindow->bmp.height);\r
  67         if(tmpWindow->bmp.data == NULL)\r
  68         {\r
  69                 free(tmpWindow);\r
  70                 return NULL;\r
  71         }\r
  72         tmpWindow->rc.x1 = x;\r
  73         tmpWindow->rc.y1 = y;\r
  74         tmpWindow->rc.x2 = x + tmpWindow->bmp.width;\r
  75         tmpWindow->rc.y2 = y + tmpWindow->bmp.height;\r
  76         tmpWindow->next = NULL;\r
  77         tmpWindow->prev = NULL;\r
  78         tmpWindow->first_child = NULL;\r
  79         tmpWindow->last_child = NULL;\r
  80         tmpWindow->parent = NULL;\r
  81         \r
  82         if(flags & WNDFLAG_SHOW)\r
  83         {\r
  84                 tmpListEnt = malloc(sizeof(tWINDOW_LIST));\r
  85                 tmpListEnt->wnd = tmpWindow;\r
  86                 tmpListEnt->next = windowList;\r
  87                 windowList = tmpListEnt;\r
  88         }\r
  89         \r
  90         if(hwndRootWindow == NULL)\r
  91         {\r
  92                 hwndRootWindow = tmpWindow;\r
  93         }\r
  94         else\r
  95         {\r
  96                 if(hwndRootWindow->first_child == NULL)\r
  97                 {\r
  98                         hwndRootWindow->last_child = tmpWindow;\r
  99                         hwndRootWindow->first_child = tmpWindow;\r
 100                 }\r
 101                 else\r
 102                 {\r
 103                         hwndRootWindow->last_child->next = tmpWindow;\r
 104                         tmpWindow->prev = hwndRootWindow->last_child;\r
 105                         tmpWindow->prev->next = tmpWindow;\r
 106                         hwndRootWindow->last_child = tmpWindow;\r
 107                 }\r
 108                 tmpWindow->parent = hwndRootWindow;\r
 109         }\r
 110         \r
 111         wmInvalidateWindow(tmpWindow);\r
 112         \r
 113         return tmpWindow;\r
 114 }\r
 115 \r
 116 EXPORT int      WM_SendMessage(void *hwnd, int msg, int a1, int a2)\r
 117 {\r
 118         if(hwnd == NULL || ((tWINDOW*)hwnd)->wndproc == NULL)\r
 119         {\r
 120                 //k_printf("WM_SendMessage: ERROR - Window is undefined\n");\r
 121                 return -1;\r
 122         }\r
 123         return ((tWINDOW*)hwnd)->wndproc( ((tWINDOW*)hwnd)->handle, msg, a1, a2 );\r
 124 }\r
 125 \r
 126 void wmRepaintWindow(tWINDOW *wnd)\r
 127 {\r
 128         tWINDOW *child;\r
 129         \r
 130         if(wnd->repaint == 1)\r
 131         {\r
 132                 for(child = wnd->first_child; child != NULL; child = child->next) {\r
 133                         wmRepaintWindow(child);\r
 134                 }\r
 135                 WM_SendMessage(wnd, WM_REPAINT, (Uint)&wnd->bmp, 0);\r
 136                 wmDrawWindow(wnd);\r
 137         }\r
 138 }\r
 139 \r
 140 void wmRepaintScreen(tWINDOW_LIST *ent)\r
 141 {\r
 142         #if DEBUG\r
 143                 //k_printf("wmRepaintScreen: (ent=0x%x)\n", ent);\r
 144         #endif\r
 145         if(ent == NULL)\r
 146                 return;\r
 147         if(ent->wnd->repaint == 1)\r
 148         {\r
 149                 #if DEBUG\r
 150                         //k_printf("wmRepaintScreen: ent->wnd=0x%x\n", ent->wnd);\r
 151                 #endif\r
 152                 WM_SendMessage(ent->wnd, WM_REPAINT, (Uint)&ent->wnd->bmp, 0);\r
 153                 #if DEBUG\r
 154                         //k_printf("wmRepaintScreen: ent->wnd=0x%x\n", ent->wnd);\r
 155                 #endif\r
 156                 wmDrawWindow(ent->wnd);\r
 157         }\r
 158         if(ent->next != NULL)\r
 159         {\r
 160                 wmRepaintScreen(ent->next);\r
 161         }\r
 162 }\r
 163 \r
 164 void wmDrawWindow(tWINDOW *wnd)\r
 165 {\r
 166         #if DEBUG\r
 167                 //k_printf("wmDrawWindow: (wnd = 0x%x)\n", wnd);\r
 168         #endif\r
 169         if(wnd->flags & WNDFLAG_SHOW) {\r
 170                 #if DEBUG\r
 171                         //k_printf(" wmDrawWindow: Drawing Window\n");\r
 172                 #endif\r
 173                 draw_bmp(&wnd->bmp, &wnd->rc);\r
 174         }\r
 175 }\r
 176 \r
 177 void wmInvalidateWindow(tWINDOW *wnd)\r
 178 {\r
 179         tWINDOW *parent;\r
 180         wnd->repaint = 1;\r
 181         \r
 182         while( (parent = wnd->parent) )\r
 183                 parent->repaint = 1;\r
 184 }\r