Usermode/Applications/axwin3_src/WM/decorator.c

   1 /*
   2  * Acess2 Window Manager v3 (axwin3)
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * decorator.c
   6  * - Window Decorator
   7  */
   8 #include <common.h>
   9 #include <wm.h>
  10 #include <decorator.h>
  11 #include <wm_messages.h>
  12
  13 // === IMPORTS ===
  14 extern tWindow  *gpWM_FocusedWindow;
  15
  16 // === PROTOTYPES ===
  17 void    Decorator_UpdateBorderSize(tWindow *Window);
  18 void    Decorator_Redraw(tWindow *Window);
  19  int    Decorator_HandleMessage(tWindow *Window, int Message, int Length, const void *Data);
  20
  21 // === CONSTANTS ===
  22 #define BTN_CLOSE(win)  win->W-16, -16, 14, 14
  23 #define BTN_MIN(win)    win->W-32, -16, 14, 14
  24 tColour cColourActive_Titlebar   = 0x00CC44;
  25 tColour cColourActive_TitleText  = 0x000000;
  26 tColour cColourInactive_Titlebar = 0xD0D0D0;
  27 tColour cColourInactive_TitleText= 0x000000;
  28 tColour cColour_TitleTopBorder   = 0xFFFFFF;
  29 tColour cColour_SideBorder       = 0x008000;
  30 tColour cColour_BottomBorder     = 0x008000;
  31 tColour cColour_CloseBtn         = 0xFF1100;
  32  int    ciTitlebarHeight        = 18;
  33  int    ciSideBorderWidth       = 2;
  34  int    ciBottomBorderWidth     = 4;
  35
  36 // === CODE ===
  37 void Decorator_UpdateBorderSize(tWindow *Window)
  38 {
  39         Window->BorderT = ciTitlebarHeight;
  40         Window->BorderB = 0;
  41         Window->BorderL = 0;
  42         Window->BorderR = 0;
  43
  44         if( Window->Flags & WINFLAG_MAXIMIZED )
  45                 return ;
  46
  47         Window->BorderB = ciBottomBorderWidth;
  48         Window->BorderR = ciSideBorderWidth;
  49         Window->BorderL = ciSideBorderWidth;
  50 }
  51
  52 void Decorator_Redraw(tWindow *Window)
  53 {
  54          int    bActive = 0;
  55          int    text_width, text_height;
  56
  57         // TODO: This could possibly be expensive, but is there a better way?
  58         {
  59                 tWindow *win;
  60                 for(win = gpWM_FocusedWindow; win; win = win->Owner)
  61                 {
  62                         if(win == Window) {
  63                                 bActive = 1;
  64                                 break;
  65                         }
  66                 }
  67         }
  68
  69         // Draw title bar
  70         // - Body
  71         WM_Render_FillRect(Window,
  72                 0, -ciTitlebarHeight, Window->W, ciTitlebarHeight,
  73                 (bActive ? cColourActive_Titlebar : cColourInactive_Titlebar)
  74                 );
  75         // - Top Border
  76         WM_Render_FillRect(Window,
  77                 0, -ciTitlebarHeight, Window->W, 1,
  78                 cColour_TitleTopBorder
  79                 );
  80         // - Sides
  81         WM_Render_FillRect(Window,
  82                 0, -ciTitlebarHeight, 1, ciTitlebarHeight,
  83                 cColour_SideBorder
  84                 );
  85         WM_Render_FillRect(Window,
  86                 Window->W, -ciTitlebarHeight, 1, ciTitlebarHeight,
  87                 cColour_SideBorder
  88                 );
  89
  90         // Get the font height
  91         WM_Render_GetTextDims(
  92                 NULL,   // TODO: Select font
  93                 Window->Title ? Window->Title : "jI", -1,
  94                 &text_width, &text_height
  95                 );
  96         // - Use that to draw the window title on the left of the window
  97         WM_Render_DrawText(Window,
  98                 ciTitlebarHeight + 4, -(ciTitlebarHeight - (ciTitlebarHeight/2 - text_height/2)),
  99                 Window->W - ciTitlebarHeight - 4, text_height,
 100                 NULL,   // TODO: Select font
 101                 (bActive ? cColourActive_TitleText : cColourInactive_TitleText),
 102                 Window->Title ? Window->Title : "--", -1
 103                 );
 104
 105         // TODO: Minimise, Maximise and Close
 106
 107         // Maximized windows don't have any other borders
 108         if( Window->Flags & WINFLAG_MAXIMIZED )
 109                 return ;
 110
 111         // Left Border
 112         WM_Render_FillRect(Window,
 113                 -ciSideBorderWidth, -ciTitlebarHeight,
 114                 ciSideBorderWidth, Window->H + ciTitlebarHeight + ciBottomBorderWidth,
 115                 cColour_SideBorder
 116                 );
 117         // Right Border
 118         WM_Render_FillRect(Window,
 119                 Window->W, -ciTitlebarHeight,
 120                 ciSideBorderWidth, Window->H + ciTitlebarHeight + ciBottomBorderWidth,
 121                 cColour_SideBorder
 122                 );
 123         // Bottom Border (hard line)
 124         WM_Render_FillRect(Window,
 125                 -ciSideBorderWidth, Window->H,
 126                 ciSideBorderWidth*2+Window->W, 1,
 127                 0x000000
 128                 );
 129         // Bottom Border
 130         WM_Render_FillRect(Window,
 131                 -ciSideBorderWidth, Window->H+1,
 132                 ciSideBorderWidth*2+Window->W, ciBottomBorderWidth-1,
 133                 cColour_BottomBorder
 134                 );
 135
 136         // Buttons
 137         WM_Render_FillRect(Window, BTN_CLOSE(Window), cColour_CloseBtn);
 138         // TODO: Conditional for each
 139 }
 140
 141 static inline int Decorator_INT_CoordInRange(int X, int Y, int SX, int SY, int EX, int EY)
 142 {
 143         _SysDebug("(%i<=%i<%i, %i<=%i<%i", SX, X, EX, SY, Y, EY);
 144         return (X >= SX && X < EX && Y >= SY && Y < EY);
 145 }
 146 static inline int Decorator_INT_CoordInRangeR(int X, int Y, int SX, int SY, int W, int H)
 147 {
 148         return Decorator_INT_CoordInRange(X, Y, SX, SY, SX+W, SY+H);
 149 }
 150
 151 int Decorator_HandleMessage(tWindow *Window, int Message, int Length, const void *Data)
 152 {
 153         static tWindow  *btn1_down;
 154         static enum {
 155                 BTN1_MOVE,
 156                 BTN1_RLEFT,
 157                 BTN1_RRIGHT,
 158                 BTN1_RBOTTOM,
 159         } btn1_mode;
 160         switch(Message)
 161         {
 162         case WNDMSG_MOUSEMOVE: {
 163                 const struct sWndMsg_MouseMove  *msg = Data;
 164
 165                 if( Window && btn1_down == Window )
 166                 {
 167                         switch(btn1_mode)
 168                         {
 169                         case BTN1_MOVE: // Move
 170                                 WM_MoveWindow(Window, Window->X + msg->dX, Window->Y + msg->dY);
 171                                 break;
 172                         case BTN1_RLEFT:        // Resize left
 173                                 if( Window->W + msg->dX > 50 )
 174                                 {
 175                                         WM_MoveWindow(Window, Window->X + msg->dX, Window->Y);
 176                                         WM_ResizeWindow(Window, Window->W - msg->dX, Window->H);
 177                                 }
 178                                 break;
 179                         case BTN1_RRIGHT:       // Resize right
 180                                 if( Window->W + msg->dX > 50 )
 181                                 {
 182                                         WM_ResizeWindow(Window, Window->W + msg->dX, Window->H);
 183                                 }
 184                                 break;
 185                         case BTN1_RBOTTOM:      // Resize bottom
 186                                 if( Window->H + msg->dY > 50 )
 187                                 {
 188                                         WM_ResizeWindow(Window, Window->W, Window->H + msg->dY);
 189                                 }
 190                                 break;
 191                         }
 192                         return 0;
 193                 }
 194
 195                 // TODO: Change cursor when hovering over edges
 196
 197                 if(msg->Y >= 0) return 1;       // Pass
 198
 199                 // TODO: Handle
 200                 return 0; }
 201         case WNDMSG_MOUSEBTN: {
 202                 const struct sWndMsg_MouseButton        *msg = Data;
 203
 204                 // TODO: Do something with other buttons
 205                 // - Window menu for example
 206                 if( msg->Button != 0 )
 207                         return 1;       // pass on
 208
 209                 if( !msg->bPressed )
 210                         btn1_down = 0;
 211
 212                 #define HOTSPOTR(x,y,w,h) Decorator_INT_CoordInRangeR(msg->X, msg->Y, x, y, w, h)
 213                 #define HOTSPOTA(sx,sy,ex,ey) Decorator_INT_CoordInRange(msg->X, msg->Y, sx, sy, ew, eh)
 214                 // Left resize border
 215                 if( msg->bPressed && HOTSPOTR(-ciSideBorderWidth, -ciTitlebarHeight,
 216                                 ciSideBorderWidth, ciTitlebarHeight+Window->H+ciBottomBorderWidth) )
 217                 {
 218                         btn1_down = Window;
 219                         btn1_mode = BTN1_RLEFT;
 220                         return 0;
 221                 }
 222                 // Right resize border
 223                 if( msg->bPressed && HOTSPOTR(Window->W, -ciTitlebarHeight,
 224                         ciSideBorderWidth, ciTitlebarHeight+Window->H+ciBottomBorderWidth) )
 225                 {
 226                         btn1_down = Window;
 227                         btn1_mode = BTN1_RRIGHT;
 228                         return 0;
 229                 }
 230                 // Bottom resize border
 231                 if( msg->bPressed && HOTSPOTR(0, Window->H,
 232                         Window->W, ciTitlebarHeight) )
 233                 {
 234                         btn1_down = Window;
 235                         btn1_mode = BTN1_RBOTTOM;
 236                         return 0;
 237                 }
 238                 // Titlebar buttons
 239                 if( msg->bPressed && Decorator_INT_CoordInRangeR(msg->X, msg->Y, BTN_CLOSE(Window)) )
 240                 {
 241                         WM_SendMessage(NULL, Window, WNDMSG_CLOSE, 0, NULL);
 242                         return 0;
 243                 }
 244                 // Titlebar - Move
 245                 if( msg->bPressed && msg->Y < 0 )
 246                 {
 247                         btn1_down = Window;
 248                         btn1_mode = BTN1_MOVE;
 249                         return 0;
 250                 }
 251                 #undef HOTSPOTR
 252                 #undef HOTSPOTA
 253
 254                 return 1; }
 255         default:        // Anything unhandled is passed on
 256                 return 1;
 257         }
 258 }
 259