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 WPreferences wPreferences;
  34
  35 /* cursors */
  36 extern Cursor wCursor[WCUR_LAST];
  37 extern XContext wWinContext;
  38
  39 /*----------------------------------------------------------------------
  40  * wCoreCreateTopLevel--
  41  *      Creates a toplevel window used for icons, menus and dialogs.
  42  *
  43  * Returns:
  44  *      The created window.
  45  *--------------------------------------------------------------------- */
  46 WCoreWindow *wCoreCreateTopLevel(WScreen *screen, int x, int y, int width, int height, int bwidth, int depth, Visual *visual, Colormap colormap, WMPixel border_pixel)
  47 {
  48         WCoreWindow *core;
  49         int vmask;
  50         XSetWindowAttributes attribs;
  51
  52         core = wmalloc(sizeof(WCoreWindow));
  53
  54         vmask = CWBorderPixel | CWCursor | CWEventMask | CWOverrideRedirect | CWColormap;
  55         attribs.override_redirect = True;
  56         attribs.cursor = wCursor[WCUR_DEFAULT];
  57         attribs.background_pixmap = None;
  58         attribs.background_pixel = screen->black_pixel;
  59         attribs.border_pixel = border_pixel;
  60         attribs.event_mask = SubstructureRedirectMask | ButtonPressMask |
  61                              ButtonReleaseMask | ButtonMotionMask |
  62                              ExposureMask | EnterWindowMask | LeaveWindowMask;
  63
  64         attribs.colormap = colormap;
  65
  66         if (wPreferences.use_saveunders) {
  67                 vmask |= CWSaveUnder;
  68                 attribs.save_under = True;
  69         }
  70
  71         core->window = XCreateWindow(dpy, screen->root_win, x, y, width, height,
  72                                      bwidth, depth, CopyFromParent, visual, vmask, &attribs);
  73         core->width = width;
  74         core->height = height;
  75         core->screen_ptr = screen;
  76         core->descriptor.self = core;
  77
  78         XClearWindow(dpy, core->window);
  79         XSaveContext(dpy, core->window, wWinContext, (XPointer) & core->descriptor);
  80
  81         return core;
  82 }
  83
  84 /*----------------------------------------------------------------------
  85  * wCoreCreate--
  86  *      Creates a brand new child window.
  87  *      The window will have a border width of 0 and color is black.
  88  *
  89  * Returns:
  90  *      A initialized core window structure.
  91  *
  92  * Side effects:
  93  *      A window context for the created window is saved.
  94  *
  95  * Notes:
  96  *      The event mask is initialized to a default value.
  97  *--------------------------------------------------------------------- */
  98 WCoreWindow *wCoreCreate(WCoreWindow *parent, int x, int y, int width, int height)
  99 {
 100         WCoreWindow *core;
 101         int vmask;
 102         XSetWindowAttributes attribs;
 103
 104         core = wmalloc(sizeof(WCoreWindow));
 105
 106         vmask = CWBorderPixel | CWCursor | CWEventMask | CWColormap;
 107         attribs.cursor = wCursor[WCUR_DEFAULT];
 108         attribs.background_pixmap = None;
 109         attribs.background_pixel = parent->screen_ptr->black_pixel;
 110         attribs.event_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask |
 111                              ButtonReleaseMask | ButtonMotionMask |
 112                              ExposureMask | EnterWindowMask | LeaveWindowMask;
 113         attribs.colormap = parent->screen_ptr->w_colormap;
 114         core->window = XCreateWindow(dpy, parent->window, x, y, width, height, 0,
 115                           parent->screen_ptr->w_depth, CopyFromParent,
 116                           parent->screen_ptr->w_visual, vmask, &attribs);
 117
 118         core->width = width;
 119         core->height = height;
 120         core->screen_ptr = parent->screen_ptr;
 121         core->descriptor.self = core;
 122
 123         XSaveContext(dpy, core->window, wWinContext, (XPointer) & core->descriptor);
 124         return core;
 125 }
 126
 127 void wCoreDestroy(WCoreWindow * core)
 128 {
 129         if (core->stacking)
 130                 wfree(core->stacking);
 131
 132         XDeleteContext(dpy, core->window, wWinContext);
 133         XDestroyWindow(dpy, core->window);
 134         wfree(core);
 135 }
 136
 137 void wCoreConfigure(WCoreWindow * core, int req_x, int req_y, int req_w, int req_h)
 138 {
 139         XWindowChanges xwc;
 140         unsigned int mask;
 141
 142         mask = CWX | CWY;
 143         xwc.x = req_x;
 144         xwc.y = req_y;
 145
 146         if (req_w <= 0)
 147                 req_w = core->width;
 148
 149         if (req_h <= 0)
 150                 req_h = core->height;
 151
 152         if (req_w != core->width || req_h != core->height) {
 153                 mask |= CWWidth | CWHeight;
 154                 xwc.width = req_w;
 155                 xwc.height = req_h;
 156                 core->width = req_w;
 157                 core->height = req_h;
 158         }
 159         XConfigureWindow(dpy, core->window, mask, &xwc);
 160 }