src/wcore.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <X11/Xlib.h>
  25 #include <X11/Xutil.h>
  26
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #include "WindowMaker.h"
  31 #include "wcore.h"
  32
  33 /****** Global Variables ******/
  34 extern WPreferences wPreferences;
  35
  36 /* cursors */
  37 extern Cursor wCursor[WCUR_LAST];
  38
  39 extern XContext wWinContext;
  40
  41 /*
  42  *----------------------------------------------------------------------
  43  * wCoreCreateTopLevel--
  44  *      Creates a toplevel window used for icons, menus and dialogs.
  45  *
  46  * Returns:
  47  *      The created window.
  48  *----------------------------------------------------------------------
  49  */
  50 WCoreWindow *wCoreCreateTopLevel(WScreen * screen, int x, int y, int width, int height, int bwidth)
  51 {
  52         WCoreWindow *core;
  53         int vmask;
  54         XSetWindowAttributes attribs;
  55
  56         core = wmalloc(sizeof(WCoreWindow));
  57         memset(core, 0, sizeof(WCoreWindow));
  58
  59         /* don't set CWBackPixel so that transparent XRender windows
  60            are see-through */
  61         vmask = /*CWBackPixmap|CWBackPixel| */ CWBorderPixel | CWCursor | CWEventMask
  62             | CWOverrideRedirect;
  63         attribs.override_redirect = True;
  64         attribs.cursor = wCursor[WCUR_DEFAULT];
  65         attribs.background_pixmap = None;
  66         attribs.background_pixel = screen->black_pixel;
  67         attribs.border_pixel = screen->frame_border_pixel;
  68         attribs.event_mask = SubstructureRedirectMask | ButtonPressMask
  69             | ButtonReleaseMask | ButtonMotionMask | ExposureMask | EnterWindowMask | LeaveWindowMask;
  70
  71         vmask |= CWColormap;
  72         attribs.colormap = screen->w_colormap;
  73
  74         core->window = XCreateWindow(dpy, screen->root_win, x, y, width, height,
  75                                      bwidth, screen->w_depth, CopyFromParent, screen->w_visual, vmask, &attribs);
  76         core->width = width;
  77         core->height = height;
  78         core->screen_ptr = screen;
  79
  80         core->descriptor.self = core;
  81
  82         XClearWindow(dpy, core->window);
  83
  84         XSaveContext(dpy, core->window, wWinContext, (XPointer) & core->descriptor);
  85
  86         return core;
  87 }
  88
  89 /*
  90  *----------------------------------------------------------------------
  91  * wCoreCreate--
  92  *      Creates a brand new child window.
  93  *      The window will have a border width of 0 and color is black.
  94  *
  95  * Returns:
  96  *      A initialized core window structure.
  97  *
  98  * Side effects:
  99  *      A window context for the created window is saved.
 100  *
 101  * Notes:
 102  *      The event mask is initialized to a default value.
 103  *
 104  *----------------------------------------------------------------------
 105  */
 106 WCoreWindow *wCoreCreate(WCoreWindow * parent, int x, int y, int width, int height)
 107 {
 108         WCoreWindow *core;
 109         int vmask;
 110         XSetWindowAttributes attribs;
 111
 112         core = wmalloc(sizeof(WCoreWindow));
 113         memset(core, 0, sizeof(WCoreWindow));
 114
 115         vmask = /*CWBackPixmap|CWBackPixel| */ CWBorderPixel | CWCursor | CWEventMask;
 116         attribs.cursor = wCursor[WCUR_DEFAULT];
 117         attribs.background_pixmap = None;
 118         attribs.background_pixel = parent->screen_ptr->black_pixel;
 119         attribs.event_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask
 120             | ButtonReleaseMask | ButtonMotionMask | ExposureMask | EnterWindowMask | LeaveWindowMask;
 121         /*
 122            vmask |= CWColormap;
 123            attribs.colormap = parent->screen_ptr->w_colormap;
 124          */
 125         core->window =
 126             XCreateWindow(dpy, parent->window, x, y, width, height, 0,
 127                           parent->screen_ptr->w_depth, CopyFromParent,
 128                           parent->screen_ptr->w_visual, vmask, &attribs);
 129         core->width = width;
 130         core->height = height;
 131         core->screen_ptr = parent->screen_ptr;
 132
 133         core->descriptor.self = core;
 134
 135         XSaveContext(dpy, core->window, wWinContext, (XPointer) & core->descriptor);
 136         return core;
 137 }
 138
 139 void wCoreDestroy(WCoreWindow * core)
 140 {
 141         if (core->stacking) {
 142                 wfree(core->stacking);
 143         }
 144         XDeleteContext(dpy, core->window, wWinContext);
 145         XDestroyWindow(dpy, core->window);
 146         wfree(core);
 147 }
 148
 149 void wCoreConfigure(WCoreWindow * core, int req_x, int req_y, int req_w, int req_h)
 150 {
 151         XWindowChanges xwc;
 152         unsigned int mask;
 153
 154         mask = CWX | CWY;
 155         xwc.x = req_x;
 156         xwc.y = req_y;
 157
 158         if (req_w <= 0)
 159                 req_w = core->width;
 160         if (req_h <= 0)
 161                 req_h = core->height;
 162
 163         if (req_w != core->width || req_h != core->height) {
 164                 mask |= CWWidth | CWHeight;
 165                 xwc.width = req_w;
 166                 xwc.height = req_h;
 167                 core->width = req_w;
 168                 core->height = req_h;
 169         }
 170         XConfigureWindow(dpy, core->window, mask, &xwc);
 171 }