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 along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "wconfig.h"
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25
  26 #include <stdlib.h>
  27 #include <string.h>
  28
  29 #include "WindowMaker.h"
  30 #include "wcore.h"
  31
  32 /****** Global Variables ******/
  33 extern XContext wWinContext;
  34
  35 /*----------------------------------------------------------------------
  36  * wCoreCreateTopLevel--
  37  *      Creates a toplevel window used for icons, menus and dialogs.
  38  *
  39  * Returns:
  40  *      The created window.
  41  *--------------------------------------------------------------------- */
  42 WCoreWindow *wCoreCreateTopLevel(WScreen *screen, int x, int y, int width, int height, int bwidth, int depth, Visual *visual, Colormap colormap, WMPixel border_pixel)
  43 {
  44         WCoreWindow *core;
  45         int vmask;
  46         XSetWindowAttributes attribs;
  47
  48         core = wmalloc(sizeof(WCoreWindow));
  49
  50         vmask = CWBorderPixel | CWCursor | CWEventMask | CWOverrideRedirect | CWColormap;
  51         attribs.override_redirect = True;
  52         attribs.cursor = wPreferences.cursor[WCUR_DEFAULT];
  53         attribs.background_pixmap = None;
  54         attribs.background_pixel = screen->black_pixel;
  55         attribs.border_pixel = border_pixel;
  56         attribs.event_mask = SubstructureRedirectMask | ButtonPressMask |
  57                              ButtonReleaseMask | ButtonMotionMask |
  58                              ExposureMask | EnterWindowMask | LeaveWindowMask;
  59
  60         attribs.colormap = colormap;
  61
  62         if (wPreferences.use_saveunders) {
  63                 vmask |= CWSaveUnder;
  64                 attribs.save_under = True;
  65         }
  66
  67         core->window = XCreateWindow(dpy, screen->root_win, x, y, width, height,
  68                                      bwidth, depth, CopyFromParent, visual, vmask, &attribs);
  69         core->width = width;
  70         core->height = height;
  71         core->screen_ptr = screen;
  72         core->descriptor.self = core;
  73
  74         XClearWindow(dpy, core->window);
  75         XSaveContext(dpy, core->window, wWinContext, (XPointer) & core->descriptor);
  76
  77         return core;
  78 }
  79
  80 /*----------------------------------------------------------------------
  81  * wCoreCreate--
  82  *      Creates a brand new child window.
  83  *      The window will have a border width of 0 and color is black.
  84  *
  85  * Returns:
  86  *      A initialized core window structure.
  87  *
  88  * Side effects:
  89  *      A window context for the created window is saved.
  90  *
  91  * Notes:
  92  *      The event mask is initialized to a default value.
  93  *--------------------------------------------------------------------- */
  94 WCoreWindow *wCoreCreate(WCoreWindow *parent, int x, int y, int width, int height)
  95 {
  96         WCoreWindow *core;
  97         int vmask;
  98         XSetWindowAttributes attribs;
  99
 100         core = wmalloc(sizeof(WCoreWindow));
 101
 102         vmask = CWBorderPixel | CWCursor | CWEventMask | CWColormap;
 103         attribs.cursor = wPreferences.cursor[WCUR_DEFAULT];
 104         attribs.background_pixmap = None;
 105         attribs.background_pixel = parent->screen_ptr->black_pixel;
 106         attribs.event_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask |
 107                              ButtonReleaseMask | ButtonMotionMask |
 108                              ExposureMask | EnterWindowMask | LeaveWindowMask;
 109         attribs.colormap = parent->screen_ptr->w_colormap;
 110         core->window = XCreateWindow(dpy, parent->window, x, y, width, height, 0,
 111                           parent->screen_ptr->w_depth, CopyFromParent,
 112                           parent->screen_ptr->w_visual, vmask, &attribs);
 113
 114         core->width = width;
 115         core->height = height;
 116         core->screen_ptr = parent->screen_ptr;
 117         core->descriptor.self = core;
 118
 119         XSaveContext(dpy, core->window, wWinContext, (XPointer) & core->descriptor);
 120         return core;
 121 }
 122
 123 void wCoreDestroy(WCoreWindow * core)
 124 {
 125         if (core->stacking)
 126                 wfree(core->stacking);
 127
 128         XDeleteContext(dpy, core->window, wWinContext);
 129         XDestroyWindow(dpy, core->window);
 130         wfree(core);
 131 }
 132
 133 void wCoreConfigure(WCoreWindow * core, int req_x, int req_y, int req_w, int req_h)
 134 {
 135         XWindowChanges xwc;
 136         unsigned int mask;
 137
 138         mask = CWX | CWY;
 139         xwc.x = req_x;
 140         xwc.y = req_y;
 141
 142         if (req_w <= 0)
 143                 req_w = core->width;
 144
 145         if (req_h <= 0)
 146                 req_h = core->height;
 147
 148         if (req_w != core->width || req_h != core->height) {
 149                 mask |= CWWidth | CWHeight;
 150                 xwc.width = req_w;
 151                 xwc.height = req_h;
 152                 core->width = req_w;
 153                 core->height = req_h;
 154         }
 155         XConfigureWindow(dpy, core->window, mask, &xwc);
 156 }