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