544 lines
16 KiB
C
544 lines
16 KiB
C
#include "openbox.h"
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#include "prop.h"
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#include "screen.h"
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#include "client.h"
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#include "frame.h"
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#include "engine.h"
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#include "focus.h"
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#include "dispatch.h"
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#include "../render/render.h"
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#include <X11/Xlib.h>
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#ifdef HAVE_UNISTD_H
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# include <sys/types.h>
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# include <unistd.h>
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#endif
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/*! The event mask to grab on the root window */
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#define ROOT_EVENTMASK (/*ColormapChangeMask |*/ PropertyChangeMask | \
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EnterWindowMask | LeaveWindowMask | \
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SubstructureNotifyMask | SubstructureRedirectMask | \
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ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
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guint screen_num_desktops = 0;
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guint screen_desktop = 0;
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Size screen_physical_size;
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gboolean screen_showing_desktop;
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DesktopLayout screen_desktop_layout;
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GPtrArray *screen_desktop_names;
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static Rect *area = NULL;
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static Strut *strut = NULL;
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static Window support_window = None;
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static void screen_update_area();
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static gboolean running;
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static int another_running(Display *d, XErrorEvent *e)
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{
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(void)d;(void)e;
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g_message("A window manager is already running on screen %d",
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ob_screen);
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running = TRUE;
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return -1;
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}
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gboolean screen_annex()
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{
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XErrorHandler old;
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pid_t pid;
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int i, num_support;
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Atom *supported;
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running = FALSE;
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old = XSetErrorHandler(another_running);
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XSelectInput(ob_display, ob_root, ROOT_EVENTMASK);
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XSync(ob_display, FALSE);
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XSetErrorHandler(old);
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if (running)
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return FALSE;
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g_message("Managing screen %d", ob_screen);
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/* set the mouse cursor for the root window (the default cursor) */
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XDefineCursor(ob_display, ob_root, ob_cursors.left_ptr);
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/* set the OPENBOX_PID hint */
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pid = getpid();
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PROP_SET32(ob_root, openbox_pid, cardinal, pid);
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/* create the netwm support window */
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support_window = XCreateSimpleWindow(ob_display, ob_root, 0,0,1,1,0,0,0);
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/* set supporting window */
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PROP_SET32(ob_root, net_supporting_wm_check, window, support_window);
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/* set properties on the supporting window */
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PROP_SETS(support_window, net_wm_name, utf8, "Openbox");
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PROP_SET32(support_window, net_supporting_wm_check, window,support_window);
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/* set the _NET_SUPPORTED_ATOMS hint */
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num_support = 48;
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i = 0;
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supported = g_new(Atom, num_support);
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supported[i++] = prop_atoms.net_current_desktop;
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supported[i++] = prop_atoms.net_number_of_desktops;
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supported[i++] = prop_atoms.net_desktop_geometry;
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supported[i++] = prop_atoms.net_desktop_viewport;
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supported[i++] = prop_atoms.net_active_window;
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supported[i++] = prop_atoms.net_workarea;
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supported[i++] = prop_atoms.net_client_list;
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supported[i++] = prop_atoms.net_client_list_stacking;
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supported[i++] = prop_atoms.net_desktop_names;
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supported[i++] = prop_atoms.net_close_window;
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supported[i++] = prop_atoms.net_desktop_layout;
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supported[i++] = prop_atoms.net_showing_desktop;
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supported[i++] = prop_atoms.net_wm_name;
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supported[i++] = prop_atoms.net_wm_visible_name;
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supported[i++] = prop_atoms.net_wm_icon_name;
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supported[i++] = prop_atoms.net_wm_visible_icon_name;
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supported[i++] = prop_atoms.net_wm_desktop;
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supported[i++] = prop_atoms.net_wm_strut;
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supported[i++] = prop_atoms.net_wm_window_type;
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supported[i++] = prop_atoms.net_wm_window_type_desktop;
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supported[i++] = prop_atoms.net_wm_window_type_dock;
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supported[i++] = prop_atoms.net_wm_window_type_toolbar;
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supported[i++] = prop_atoms.net_wm_window_type_menu;
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supported[i++] = prop_atoms.net_wm_window_type_utility;
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supported[i++] = prop_atoms.net_wm_window_type_splash;
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supported[i++] = prop_atoms.net_wm_window_type_dialog;
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supported[i++] = prop_atoms.net_wm_window_type_normal;
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supported[i++] = prop_atoms.net_wm_allowed_actions;
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supported[i++] = prop_atoms.net_wm_action_move;
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supported[i++] = prop_atoms.net_wm_action_resize;
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supported[i++] = prop_atoms.net_wm_action_minimize;
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supported[i++] = prop_atoms.net_wm_action_shade;
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supported[i++] = prop_atoms.net_wm_action_maximize_horz;
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supported[i++] = prop_atoms.net_wm_action_maximize_vert;
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supported[i++] = prop_atoms.net_wm_action_fullscreen;
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supported[i++] = prop_atoms.net_wm_action_change_desktop;
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supported[i++] = prop_atoms.net_wm_action_close;
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supported[i++] = prop_atoms.net_wm_state;
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supported[i++] = prop_atoms.net_wm_state_modal;
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supported[i++] = prop_atoms.net_wm_state_maximized_vert;
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supported[i++] = prop_atoms.net_wm_state_maximized_horz;
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supported[i++] = prop_atoms.net_wm_state_shaded;
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supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
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supported[i++] = prop_atoms.net_wm_state_skip_pager;
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supported[i++] = prop_atoms.net_wm_state_hidden;
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supported[i++] = prop_atoms.net_wm_state_fullscreen;
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supported[i++] = prop_atoms.net_wm_state_above;
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supported[i++] = prop_atoms.net_wm_state_below;
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g_assert(i == num_support);
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/*
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supported[] = prop_atoms.net_wm_moveresize;
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supported[] = prop_atoms.net_wm_moveresize_size_topleft;
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supported[] = prop_atoms.net_wm_moveresize_size_topright;
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supported[] = prop_atoms.net_wm_moveresize_size_bottomleft;
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supported[] = prop_atoms.net_wm_moveresize_size_bottomright;
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supported[] = prop_atoms.net_wm_moveresize_move;
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supported[] = prop_atoms.net_wm_action_stick;
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*/
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PROP_SET32A(ob_root, net_supported, atom, supported, num_support);
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g_free(supported);
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return TRUE;
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}
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void screen_startup()
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{
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screen_desktop_names = g_ptr_array_new();
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/* get the initial size */
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screen_resize();
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screen_num_desktops = 0;
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screen_set_num_desktops(4);
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screen_desktop = 0;
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screen_set_desktop(0);
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/* don't start in showing-desktop mode */
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screen_showing_desktop = FALSE;
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PROP_SET32(ob_root, net_showing_desktop, cardinal, screen_showing_desktop);
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screen_update_layout();
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}
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void screen_shutdown()
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{
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guint i;
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XSelectInput(ob_display, ob_root, NoEventMask);
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PROP_ERASE(ob_root, openbox_pid); /* we're not running here no more! */
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PROP_ERASE(ob_root, net_supported); /* not without us */
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PROP_ERASE(ob_root, net_showing_desktop); /* don't keep this mode */
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XDestroyWindow(ob_display, support_window);
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for (i = 0; i < screen_desktop_names->len; ++i)
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g_free(g_ptr_array_index(screen_desktop_names, i));
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g_ptr_array_free(screen_desktop_names, TRUE);
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g_free(strut);
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g_free(area);
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}
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void screen_resize()
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{
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/* XXX RandR support here? */
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int geometry[2];
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/* Set the _NET_DESKTOP_GEOMETRY hint */
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geometry[0] = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
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geometry[1] = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
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PROP_SET32A(ob_root, net_desktop_geometry, cardinal, geometry, 2);
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screen_physical_size.width = geometry[0];
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screen_physical_size.height = geometry[1];
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if (ob_state == State_Starting)
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return;
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screen_update_struts();
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/* XXX adjust more stuff ? */
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}
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void screen_set_num_desktops(guint num)
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{
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guint i, old;
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gulong *viewport;
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GSList *it;
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g_assert(num > 0);
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old = screen_num_desktops;
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screen_num_desktops = num;
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PROP_SET32(ob_root, net_number_of_desktops, cardinal, num);
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/* set the viewport hint */
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viewport = g_new0(gulong, num * 2);
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PROP_SET32A(ob_root, net_desktop_viewport, cardinal, viewport, num * 2);
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g_free(viewport);
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/* change our struts/area to match */
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screen_update_struts();
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/* the number of rows/columns will differ */
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screen_update_layout();
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/* may be some unnamed desktops that we need to fill in with names */
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screen_update_desktop_names();
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/* update the focus lists */
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/* free our lists for the desktops which have disappeared */
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for (i = num; i < old; ++i)
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g_list_free(focus_order[i]);
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/* realloc the array */
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focus_order = g_renew(GList*, focus_order, num);
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/* set the new lists to be empty */
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for (i = old; i < num; ++i)
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focus_order[i] = NULL;
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/* move windows on desktops that will no longer exist! */
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for (it = client_list; it != NULL; it = it->next) {
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Client *c = it->data;
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if (c->desktop >= num)
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client_set_desktop(c, num - 1, FALSE);
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}
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dispatch_ob(Event_Ob_NumDesktops, num, old);
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/* change our desktop if we're on one that no longer exists! */
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if (screen_desktop >= screen_num_desktops)
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screen_set_desktop(num - 1);
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}
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void screen_set_desktop(guint num)
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{
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GList *it;
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guint old;
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XEvent e;
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g_assert(num < screen_num_desktops);
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old = screen_desktop;
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screen_desktop = num;
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PROP_SET32(ob_root, net_current_desktop, cardinal, num);
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if (old == num) return;
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g_message("Moving to desktop %d", num+1);
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/* show windows before hiding the rest to lessen the enter/leave events */
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/* show windows from top to bottom */
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for (it = stacking_list; it != NULL; it = it->next) {
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Client *c = it->data;
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if (!c->frame->visible && client_should_show(c))
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engine_frame_show(c->frame);
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}
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/* hide windows from bottom to top */
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for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
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Client *c = it->data;
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if (c->frame->visible && !client_should_show(c))
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engine_frame_hide(c->frame);
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}
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/* focus the last focused window on the desktop, and ignore enter events
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from the switch so it doesnt mess with the focus */
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XSync(ob_display, FALSE);
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while (XCheckTypedEvent(ob_display, EnterNotify, &e));
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focus_fallback(TRUE);
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dispatch_ob(Event_Ob_Desktop, num, old);
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}
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void screen_update_layout()
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{
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unsigned long *data = NULL;
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/* defaults */
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screen_desktop_layout.orientation = prop_atoms.net_wm_orientation_horz;
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screen_desktop_layout.start_corner = prop_atoms.net_wm_topleft;
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screen_desktop_layout.rows = 1;
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screen_desktop_layout.columns = screen_num_desktops;
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if (PROP_GET32A(ob_root, net_desktop_layout, cardinal, data, 4)) {
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if (data[0] == prop_atoms.net_wm_orientation_vert)
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screen_desktop_layout.orientation = data[0];
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if (data[3] == prop_atoms.net_wm_topright)
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screen_desktop_layout.start_corner = data[3];
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else if (data[3] == prop_atoms.net_wm_bottomright)
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screen_desktop_layout.start_corner = data[3];
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else if (data[3] == prop_atoms.net_wm_bottomleft)
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screen_desktop_layout.start_corner = data[3];
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/* fill in a zero rows/columns */
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if (!(data[1] == 0 && data[2] == 0)) { /* both 0's is bad data.. */
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if (data[1] == 0) {
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data[1] = (screen_num_desktops +
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screen_num_desktops % data[2]) / data[2];
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} else if (data[2] == 0) {
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data[2] = (screen_num_desktops +
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screen_num_desktops % data[1]) / data[1];
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}
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screen_desktop_layout.columns = data[1];
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screen_desktop_layout.rows = data[2];
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}
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/* bounds checking */
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if (screen_desktop_layout.orientation ==
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prop_atoms.net_wm_orientation_horz) {
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if (screen_desktop_layout.rows > screen_num_desktops)
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screen_desktop_layout.rows = screen_num_desktops;
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if (screen_desktop_layout.columns > ((screen_num_desktops +
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screen_num_desktops %
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screen_desktop_layout.rows) /
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screen_desktop_layout.rows))
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screen_desktop_layout.columns =
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(screen_num_desktops + screen_num_desktops %
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screen_desktop_layout.rows) /
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screen_desktop_layout.rows;
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} else {
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if (screen_desktop_layout.columns > screen_num_desktops)
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screen_desktop_layout.columns = screen_num_desktops;
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if (screen_desktop_layout.rows > ((screen_num_desktops +
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screen_num_desktops %
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screen_desktop_layout.columns) /
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screen_desktop_layout.columns))
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screen_desktop_layout.rows =
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(screen_num_desktops + screen_num_desktops %
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screen_desktop_layout.columns) /
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screen_desktop_layout.columns;
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}
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g_free(data);
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}
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}
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void screen_update_desktop_names()
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{
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guint i;
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/* empty the array */
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for (i = 0; i < screen_desktop_names->len; ++i)
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g_free(g_ptr_array_index(screen_desktop_names, i));
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g_ptr_array_set_size(screen_desktop_names, 0);
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PROP_GETSA(ob_root, net_desktop_names, utf8, screen_desktop_names);
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while (screen_desktop_names->len < screen_num_desktops)
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g_ptr_array_add(screen_desktop_names, g_strdup("Unnamed Desktop"));
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}
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void screen_show_desktop(gboolean show)
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{
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GList *it;
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if (show == screen_showing_desktop) return; /* no change */
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screen_showing_desktop = show;
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if (show) {
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/* bottom to top */
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for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
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Client *client = it->data;
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if (client->frame->visible && !client_should_show(client))
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engine_frame_hide(client->frame);
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}
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} else {
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/* top to bottom */
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for (it = stacking_list; it != NULL; it = it->next) {
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Client *client = it->data;
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if (!client->frame->visible && client_should_show(client))
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engine_frame_show(client->frame);
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}
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}
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show = !!show; /* make it boolean */
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PROP_SET32(ob_root, net_showing_desktop, cardinal, show);
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dispatch_ob(Event_Ob_ShowDesktop, show, 0);
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}
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void screen_install_colormap(Client *client, gboolean install)
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{
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XWindowAttributes wa;
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if (client == NULL) {
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if (install)
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XInstallColormap(ob_display, render_colormap);
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else
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XUninstallColormap(ob_display, render_colormap);
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} else {
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if (XGetWindowAttributes(ob_display, client->window, &wa) &&
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wa.colormap != None) {
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if (install)
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XInstallColormap(ob_display, wa.colormap);
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else
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XUninstallColormap(ob_display, wa.colormap);
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}
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}
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}
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void screen_update_struts()
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{
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GSList *it;
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guint i;
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g_free(strut);
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strut = g_new0(Strut, screen_num_desktops + 1);
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for (it = client_list; it != NULL; it = it->next) {
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Client *c = it->data;
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if (c->iconic) continue; /* these dont count in the strut */
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if (c->desktop == 0xffffffff) {
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for (i = 0; i < screen_num_desktops; ++i)
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STRUT_ADD(strut[i], c->strut);
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} else {
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g_assert(c->desktop < screen_num_desktops);
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STRUT_ADD(strut[c->desktop], c->strut);
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}
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/* apply to the 'all desktops' strut */
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STRUT_ADD(strut[screen_num_desktops], c->strut);
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}
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screen_update_area();
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}
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static void screen_update_area()
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{
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guint i;
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gulong *dims;
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g_free(area);
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area = g_new0(Rect, screen_num_desktops + 1);
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dims = g_new(unsigned long, 4 * screen_num_desktops);
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for (i = 0; i < screen_num_desktops + 1; ++i) {
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Rect old_area = area[i];
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/*
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#ifdef XINERAMA
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// reset to the full areas
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if (isXineramaActive())
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xineramaUsableArea = getXineramaAreas();
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#endif // XINERAMA
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*/
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RECT_SET(area[i], strut[i].left, strut[i].top,
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screen_physical_size.width - (strut[i].left +
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strut[i].right),
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screen_physical_size.height - (strut[i].top +
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strut[i].bottom));
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/*
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#ifdef XINERAMA
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if (isXineramaActive()) {
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// keep each of the ximerama-defined areas inside the strut
|
|
RectList::iterator xit, xend = xineramaUsableArea.end();
|
|
for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
|
|
if (xit->x() < usableArea.x()) {
|
|
xit->setX(usableArea.x());
|
|
xit->setWidth(xit->width() - usableArea.x());
|
|
}
|
|
if (xit->y() < usableArea.y()) {
|
|
xit->setY(usableArea.y());
|
|
xit->setHeight(xit->height() - usableArea.y());
|
|
}
|
|
if (xit->x() + xit->width() > usableArea.width())
|
|
xit->setWidth(usableArea.width() - xit->x());
|
|
if (xit->y() + xit->height() > usableArea.height())
|
|
xit->setHeight(usableArea.height() - xit->y());
|
|
}
|
|
}
|
|
#endif // XINERAMA
|
|
*/
|
|
if (!RECT_EQUAL(old_area, area[i])) {
|
|
/* the area has changed, adjust all the maximized windows */
|
|
GSList *it;
|
|
for (it = client_list; it; it = it->next) {
|
|
Client *c = it->data;
|
|
if (i < screen_num_desktops) {
|
|
if (c->desktop == i)
|
|
client_remaximize(c);
|
|
} else {
|
|
/* the 'all desktops' size */
|
|
if (c->desktop == DESKTOP_ALL)
|
|
client_remaximize(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* don't set these for the 'all desktops' area */
|
|
if (i < screen_num_desktops) {
|
|
dims[(i * 4) + 0] = area[i].x;
|
|
dims[(i * 4) + 1] = area[i].y;
|
|
dims[(i * 4) + 2] = area[i].width;
|
|
dims[(i * 4) + 3] = area[i].height;
|
|
}
|
|
}
|
|
PROP_SET32A(ob_root, net_workarea, cardinal,
|
|
dims, 4 * screen_num_desktops);
|
|
g_free(dims);
|
|
}
|
|
|
|
Rect *screen_area(guint desktop)
|
|
{
|
|
if (desktop >= screen_num_desktops) {
|
|
if (desktop == DESKTOP_ALL)
|
|
return &area[screen_num_desktops];
|
|
return NULL;
|
|
}
|
|
return &area[desktop];
|
|
}
|
|
|
|
Strut *screen_strut(guint desktop)
|
|
{
|
|
if (desktop >= screen_num_desktops) {
|
|
if (desktop == DESKTOP_ALL)
|
|
return &strut[screen_num_desktops];
|
|
return NULL;
|
|
}
|
|
return &strut[desktop];
|
|
}
|