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