src/wcore.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2002 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
  34 /****** Global Variables ******/
  35 extern WPreferences wPreferences;
  36
  37 /* cursors */
  38 extern Cursor wCursor[WCUR_LAST];
  39
  40 extern XContext wWinContext;
  41
  42
  43 /*
  44  *----------------------------------------------------------------------
  45  * wCoreCreateTopLevel--
  46  *      Creates a toplevel window used for icons, menus and dialogs.
  47  *
  48  * Returns:
  49  *      The created window.
  50  *----------------------------------------------------------------------
  51  */
  52 WCoreWindow*
  53 wCoreCreateTopLevel(WScreen *screen, int x, int y, int width, int height,
  54                     int bwidth)
  55 {
  56     WCoreWindow *core;
  57     int vmask;
  58     XSetWindowAttributes attribs;
  59
  60     core = wmalloc(sizeof(WCoreWindow));
  61     memset(core, 0, sizeof(WCoreWindow));
  62
  63     /* don't set CWBackPixmap so that transparent XRender windows
  64      are see-through */
  65     vmask = /*CWBackPixmap|CWBackPixel|*/CWBorderPixel|CWCursor|CWEventMask
  66       |CWOverrideRedirect;
  67     attribs.override_redirect = True;
  68     attribs.cursor = wCursor[WCUR_DEFAULT];
  69     attribs.background_pixmap = None;
  70     attribs.background_pixel = screen->black_pixel;
  71     attribs.border_pixel = screen->frame_border_pixel;
  72     attribs.event_mask = SubstructureRedirectMask | ButtonPressMask
  73         | ButtonReleaseMask | ButtonMotionMask | ExposureMask | EnterWindowMask
  74         | LeaveWindowMask;
  75
  76     vmask |= CWColormap;
  77     attribs.colormap = screen->w_colormap;
  78
  79     core->window = XCreateWindow(dpy, screen->root_win, x, y, width, height,
  80                                  bwidth, screen->w_depth, CopyFromParent,
  81                                  screen->w_visual, vmask, &attribs);
  82     core->width = width;
  83     core->height = height;
  84     core->screen_ptr = screen;
  85
  86     core->descriptor.self = core;
  87
  88     XClearWindow(dpy, core->window);
  89
  90     XSaveContext(dpy, core->window, wWinContext, (XPointer)&core->descriptor);
  91
  92     return core;
  93 }
  94
  95
  96 /*
  97  *----------------------------------------------------------------------
  98  * wCoreCreate--
  99  *      Creates a brand new child window.
 100  *      The window will have a border width of 0 and color is black.
 101  *
 102  * Returns:
 103  *      A initialized core window structure.
 104  *
 105  * Side effects:
 106  *      A window context for the created window is saved.
 107  *
 108  * Notes:
 109  *      The event mask is initialized to a default value.
 110  *
 111  *----------------------------------------------------------------------
 112  */
 113 WCoreWindow*
 114 wCoreCreate(WCoreWindow *parent, int x, int y, int width, int height)
 115 {
 116     WCoreWindow *core;
 117     int vmask;
 118     XSetWindowAttributes attribs;
 119
 120     core=wmalloc(sizeof(WCoreWindow));
 121     memset(core, 0, sizeof(WCoreWindow));
 122
 123     vmask = CWBackPixmap|CWBackPixel|CWBorderPixel|CWCursor|CWEventMask;
 124     attribs.cursor = wCursor[WCUR_DEFAULT];
 125     attribs.background_pixmap = None;
 126     attribs.background_pixel = parent->screen_ptr->black_pixel;
 127     attribs.event_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask
 128       | ButtonReleaseMask | ButtonMotionMask | ExposureMask | EnterWindowMask
 129       | LeaveWindowMask;
 130     /*
 131     vmask |= CWColormap;
 132     attribs.colormap = parent->screen_ptr->w_colormap;
 133      */
 134     core->window =
 135       XCreateWindow(dpy, parent->window, x, y, width, height, 0,
 136                     parent->screen_ptr->w_depth, CopyFromParent,
 137                     parent->screen_ptr->w_visual, vmask, &attribs);
 138     core->width=width;
 139     core->height=height;
 140     core->screen_ptr = parent->screen_ptr;
 141
 142     core->descriptor.self = core;
 143
 144     XSaveContext(dpy, core->window, wWinContext, (XPointer)&core->descriptor);
 145     return core;
 146 }
 147
 148
 149
 150 void
 151 wCoreDestroy(WCoreWindow *core)
 152 {
 153     if (core->stacking) {
 154         wfree(core->stacking);
 155     }
 156     XDeleteContext(dpy, core->window, wWinContext);
 157     XDestroyWindow(dpy, core->window);
 158     wfree(core);
 159 }
 160
 161
 162 void
 163 wCoreConfigure(WCoreWindow *core, int req_x, int req_y, int req_w, int req_h)
 164 {
 165     XWindowChanges xwc;
 166     unsigned int mask;
 167
 168     mask = CWX|CWY;
 169     xwc.x = req_x;
 170     xwc.y = req_y;
 171
 172     if (req_w <= 0)
 173       req_w = core->width;
 174     if (req_h <= 0)
 175       req_h = core->height;
 176
 177     if (req_w != core->width || req_h != core->height) {
 178         mask |= CWWidth | CWHeight;
 179         xwc.width = req_w;
 180         xwc.height = req_h;
 181         core->width = req_w;
 182         core->height = req_h;
 183     }
 184     XConfigureWindow(dpy, core->window, mask, &xwc);
 185 }
 186
 187