Usermode/Applications/axwin3_src/WM/wm_input.c

   1 /*
   2  * Acess2 Window Manager v3
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * wm.c
   6  * - Window manager core
   7  */
   8 #include <common.h>
   9 #include <wm_internals.h>
  10 #include <wm_messages.h>
  11 #include <wm_hotkeys.h>
  12
  13 #define MAX_BUTTONS     3
  14
  15 // === IMPORTS ===
  16 extern tWindow  *gpWM_RootWindow;
  17 extern tWindow  *gpWM_FocusedWindow;
  18
  19 // === GLOBALS ===
  20 //! Window in which the mouse button was originally pressed
  21 tWindow *gpWM_DownStartWindow[MAX_BUTTONS];
  22
  23 // === CODE ===
  24 tWindow *WM_int_GetWindowAtPos(int X, int Y)
  25 {
  26         tWindow *win, *next_win, *ret = NULL;
  27
  28         next_win = gpWM_RootWindow;
  29
  30         while(next_win)
  31         {
  32                 ret = next_win;
  33                 next_win = NULL;
  34                 for(win = ret->FirstChild; win; win = win->NextSibling)
  35                 {
  36                         if( !(win->Flags & WINFLAG_SHOW) )      continue ;
  37                         if( X < win->X || X >= win->X + win->W )        continue;
  38                         if( Y < win->Y || Y >= win->Y + win->H )        continue;
  39                         next_win = win; // Overwrite as we want the final rendered window
  40                 }
  41         }
  42
  43         return ret;
  44 }
  45
  46 void WM_Input_MouseMoved(int OldX, int OldY, int NewX, int NewY)
  47 {
  48         tWindow *win, *newWin;
  49         struct sWndMsg_MouseMove        msg;
  50
  51         win = WM_int_GetWindowAtPos(OldX, OldY);
  52         msg.X = NewX - win->X - win->BorderL;
  53         msg.Y = NewY - win->Y - win->BorderT;
  54         msg.dX = NewX - OldX;
  55         msg.dY = NewY - OldY;
  56         WM_SendMessage(NULL, win, WNDMSG_MOUSEMOVE, sizeof(msg), &msg);
  57
  58         // If the new coordinates are not in a new window
  59         // NOTE: Should this handle crossing over a small window?
  60         // - Nah, no need
  61         newWin = WM_int_GetWindowAtPos(NewX, NewY);
  62         if(win == newWin)       return;
  63
  64         // TODO: Send mouseup to match mousedown if the cursor moves out of a window?
  65
  66         win = newWin;
  67         msg.X = NewX - win->X - win->BorderL;
  68         msg.Y = NewY - win->Y - win->BorderT;
  69         msg.dX = NewX - OldX;
  70         msg.dY = NewY - OldY;
  71         WM_SendMessage(NULL, win, WNDMSG_MOUSEMOVE, sizeof(msg), &msg);
  72 }
  73
  74 void WM_Input_int_SendBtnMsg(tWindow *Win, int X, int Y, int Index, int Pressed)
  75 {
  76         struct sWndMsg_MouseButton      msg;
  77
  78         msg.X = X - Win->X - Win->BorderL;
  79         msg.Y = Y - Win->Y - Win->BorderT;
  80         msg.Button = Index;
  81         msg.bPressed = !!Pressed;
  82
  83         WM_SendMessage(NULL, Win, WNDMSG_MOUSEBTN, sizeof(msg), &msg);
  84 }
  85
  86 void WM_Input_MouseButton(int X, int Y, int ButtonIndex, int Pressed)
  87 {
  88         tWindow *win;
  89
  90         win = WM_int_GetWindowAtPos(X, Y);
  91
  92         // Handle press of primary button to change focus
  93         if( ButtonIndex == 0 && Pressed == 1 )
  94         {
  95 //              _SysDebug("Gave focus to %p", win);
  96                 WM_FocusWindow(win);
  97                 WM_RaiseWindow(win);
  98         }
  99
 100         // Make sure that even if the mouse has moved out of the original window,
 101         // mouse release messages reach the window.
 102         if( !Pressed && ButtonIndex < MAX_BUTTONS && gpWM_DownStartWindow[ButtonIndex] != win )
 103         {
 104                 WM_Input_int_SendBtnMsg(gpWM_DownStartWindow[ButtonIndex], X, Y, ButtonIndex, 0);
 105         }
 106         if( Pressed && ButtonIndex < MAX_BUTTONS )
 107         {
 108                 gpWM_DownStartWindow[ButtonIndex] = win;
 109         }
 110
 111         // Send Press/Release message
 112         WM_Input_int_SendBtnMsg(win, X, Y, ButtonIndex, Pressed);
 113 }
 114
 115 void WM_Input_KeyDown(uint32_t Character, uint32_t Scancode)
 116 {
 117         struct sWndMsg_KeyAction        msg;
 118
 119         WM_Hotkey_KeyDown(Scancode);
 120
 121         msg.KeySym = Scancode;
 122         msg.UCS32 = Character;
 123         WM_SendMessage(NULL, gpWM_FocusedWindow, WNDMSG_KEYDOWN, sizeof(msg), &msg);
 124 }
 125
 126 void WM_Input_KeyFire(uint32_t Character, uint32_t Scancode)
 127 {
 128         struct sWndMsg_KeyAction        msg;
 129
 130         // TODO: Properly translate into KeySyms and Unicode
 131
 132         msg.KeySym = Scancode;
 133         msg.UCS32 = Character;
 134         WM_SendMessage(NULL, gpWM_FocusedWindow, WNDMSG_KEYFIRE, sizeof(msg), &msg);
 135 }
 136
 137 void WM_Input_KeyUp(uint32_t Character, uint32_t Scancode)
 138 {
 139         struct sWndMsg_KeyAction        msg;
 140
 141         WM_Hotkey_KeyUp(Scancode);
 142
 143         msg.KeySym = Scancode;
 144         msg.UCS32 = Character;
 145         WM_SendMessage(NULL, gpWM_FocusedWindow, WNDMSG_KEYUP, sizeof(msg), &msg);
 146 }
 147