* Tint2 : systraybar
*
* Copyright (C) 2009 thierry lorthiois (lorthiois@bbsoft.fr)
+* based on 'docker-1.5' from Ben Jansens.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
#include "systraybar.h"
#include "server.h"
-#include "window.h"
+#include "panel.h"
+GSList *icons;
+/* defined in the systray spec */
+#define SYSTEM_TRAY_REQUEST_DOCK 0
+#define SYSTEM_TRAY_BEGIN_MESSAGE 1
+#define SYSTEM_TRAY_CANCEL_MESSAGE 2
-int resize_systray (Systraybar *sysbar)
+// selection window
+Window net_sel_win = None, hint_win = None;
+
+// freedesktop specification doesn't allow multi systray
+Systraybar systray;
+int refresh_systray;
+int systray_enabled;
+
+
+void init_systray()
+{
+ start_net();
+
+ if (!systray_enabled)
+ return;
+
+ systray.area._draw_foreground = draw_systray;
+ systray.area._resize = resize_systray;
+ systray.area.resize = 1;
+ systray.area.redraw = 1;
+ systray.area.on_screen = 1;
+ refresh_systray = 0;
+}
+
+
+void init_systray_panel(void *p)
+{
+ Panel *panel =(Panel*)p;
+
+ if (panel_horizontal) {
+ systray.area.posy = panel->area.pix.border.width + panel->area.paddingy;
+ systray.area.height = panel->area.height - (2 * systray.area.posy);
+ }
+ else {
+ systray.area.posx = panel->area.pix.border.width + panel->area.paddingy;
+ systray.area.width = panel->area.width - (2 * panel->area.pix.border.width) - (2 * panel->area.paddingy);
+ }
+ systray.area.parent = p;
+ systray.area.panel = p;
+}
+
+
+void cleanup_systray()
+{
+ systray_enabled = 0;
+ systray.area.on_screen = 0;
+ free_area(&systray.area);
+}
+
+
+void draw_systray(void *obj, cairo_t *c, int active)
+{
+ // tint2 don't draw systray icons. just the background.
+ refresh_systray = 1;
+}
+
+
+void resize_systray(void *obj)
{
- return 0;
+ Systraybar *sysbar = obj;
+ Panel *panel = sysbar->area.panel;
+ TrayWindow *traywin;
+ GSList *l;
+ int count, posx, posy;
+ int icon_size;
+
+ if (panel_horizontal)
+ icon_size = sysbar->area.height;
+ else
+ icon_size = sysbar->area.width;
+ icon_size = icon_size - (2 * sysbar->area.pix.border.width) - (2 * sysbar->area.paddingy);
+ count = 0;
+ for (l = systray.list_icons; l ; l = l->next) {
+ if (!((TrayWindow*)l->data)->hide)
+ count++;
+ }
+ //printf("count %d\n", count);
+
+ if (panel_horizontal) {
+ if (!count) systray.area.width = 0;
+ else systray.area.width = (2 * systray.area.pix.border.width) + (2 * systray.area.paddingxlr) + (icon_size * count) + ((count-1) * systray.area.paddingx);
+
+ systray.area.posx = panel->area.width - panel->area.pix.border.width - panel->area.paddingxlr - systray.area.width;
+ if (panel->clock.area.on_screen)
+ systray.area.posx -= (panel->clock.area.width + panel->area.paddingx);
+#ifdef ENABLE_BATTERY
+ if (panel->battery.area.on_screen)
+ systray.area.posx -= (panel->battery.area.width + panel->area.paddingx);
+#endif
+ }
+ else {
+ if (!count) systray.area.height = 0;
+ else systray.area.height = (2 * systray.area.pix.border.width) + (2 * systray.area.paddingxlr) + (icon_size * count) + ((count-1) * systray.area.paddingx);
+
+ systray.area.posy = panel->area.pix.border.width + panel->area.paddingxlr;
+ if (panel->clock.area.on_screen)
+ systray.area.posy += (panel->clock.area.height + panel->area.paddingx);
+#ifdef ENABLE_BATTERY
+ if (panel->battery.area.on_screen)
+ systray.area.posy += (panel->battery.area.height + panel->area.paddingx);
+#endif
+ }
+
+ if (panel_horizontal) {
+ posy = panel->area.pix.border.width + panel->area.paddingy + systray.area.pix.border.width + systray.area.paddingy;
+ posx = systray.area.posx + systray.area.pix.border.width + systray.area.paddingxlr;
+ }
+ else {
+ posx = panel->area.pix.border.width + panel->area.paddingy + systray.area.pix.border.width + systray.area.paddingy;
+ posy = systray.area.posy + systray.area.pix.border.width + systray.area.paddingxlr;
+ }
+ for (l = systray.list_icons; l ; l = l->next) {
+ traywin = (TrayWindow*)l->data;
+ if (traywin->hide) continue;
+
+ traywin->y = posy;
+ traywin->x = posx;
+ traywin->width = icon_size;
+ traywin->height = icon_size;
+ if (panel_horizontal)
+ posx += (icon_size + systray.area.paddingx);
+ else
+ posy += (icon_size + systray.area.paddingx);
+
+ // position and size the icon window
+ XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, icon_size, icon_size);
+ }
+}
+
+
+// ***********************************************
+// systray protocol
+
+void start_net()
+{
+ if (net_sel_win) {
+ // protocol already started
+ if (!systray_enabled)
+ stop_net();
+ return;
+ }
+ else
+ if (!systray_enabled)
+ return;
+
+ Window win = XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN);
+
+ // freedesktop systray specification
+ if (win != None) {
+ // search pid
+ Atom _NET_WM_PID, actual_type;
+ int actual_format;
+ unsigned long nitems;
+ unsigned long bytes_after;
+ unsigned char *prop = 0;
+ int pid;
+
+ _NET_WM_PID = XInternAtom(server.dsp, "_NET_WM_PID", True);
+ int ret = XGetWindowProperty(server.dsp, win, _NET_WM_PID, 0, 1024, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop);
+
+ fprintf(stderr, "tint2 : another systray is running");
+ if (ret == Success && prop) {
+ pid = prop[1] * 256;
+ pid += prop[0];
+ fprintf(stderr, " pid=%d", pid);
+ }
+ fprintf(stderr, "\n");
+ return;
+ }
+
+ // init systray protocol
+ net_sel_win = XCreateSimpleWindow(server.dsp, server.root_win, -1, -1, 1, 1, 0, 0, 0);
+
+ // v0.2 trayer specification. tint2 always horizontal.
+ // Vertical panel will draw the systray horizontal.
+ int orient = 0;
+ XChangeProperty(server.dsp, net_sel_win, server.atom._NET_SYSTEM_TRAY_ORIENTATION, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &orient, 1);
+ VisualID vid = XVisualIDFromVisual(server.visual);
+ XChangeProperty(server.dsp, net_sel_win, XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_VISUAL", False), XA_VISUALID, 32, PropModeReplace, (unsigned char*)&vid, 1);
+
+ XSetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN, net_sel_win, CurrentTime);
+ if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != net_sel_win) {
+ stop_net();
+ fprintf(stderr, "tint2 : can't get systray manager\n");
+ return;
+ }
+
+ //fprintf(stderr, "tint2 : systray started\n");
+ XClientMessageEvent ev;
+ ev.type = ClientMessage;
+ ev.window = server.root_win;
+ ev.message_type = server.atom.MANAGER;
+ ev.format = 32;
+ ev.data.l[0] = CurrentTime;
+ ev.data.l[1] = server.atom._NET_SYSTEM_TRAY_SCREEN;
+ ev.data.l[2] = net_sel_win;
+ ev.data.l[3] = 0;
+ ev.data.l[4] = 0;
+ XSendEvent(server.dsp, server.root_win, False, StructureNotifyMask, (XEvent*)&ev);
}
+void stop_net()
+{
+ //fprintf(stderr, "tint2 : systray stopped\n");
+ if (systray.list_icons) {
+ // remove_icon change systray.list_icons
+ while(systray.list_icons)
+ remove_icon((TrayWindow*)systray.list_icons->data);
+
+ g_slist_free(systray.list_icons);
+ systray.list_icons = 0;
+ }
+
+ if (net_sel_win != None) {
+ XDestroyWindow(server.dsp, net_sel_win);
+ net_sel_win = None;
+ }
+}
+
+
+gboolean error;
+int window_error_handler(Display *d, XErrorEvent *e)
+{
+ d=d;e=e;
+ error = TRUE;
+ if (e->error_code != BadWindow) {
+ printf("error_handler %d\n", e->error_code);
+ }
+ return 0;
+}
+
+
+static gint compare_traywindows(gconstpointer a, gconstpointer b)
+{
+ const TrayWindow * traywin_a = (TrayWindow*)a;
+ const TrayWindow * traywin_b = (TrayWindow*)b;
+ XTextProperty name_a, name_b;
+
+ if(XGetWMName(server.dsp, traywin_a->id, &name_a) == 0) {
+ return -1;
+ }
+ else if(XGetWMName(server.dsp, traywin_b->id, &name_b) == 0) {
+ XFree(name_a.value);
+ return 1;
+ }
+ else {
+ gint retval = g_ascii_strncasecmp((char*)name_a.value, (char*)name_b.value, -1) * systray.sort;
+ XFree(name_a.value);
+ XFree(name_b.value);
+ return retval;
+ }
+}
+
+
+gboolean add_icon(Window id)
+{
+ TrayWindow *traywin;
+ XErrorHandler old;
+ Panel *panel = systray.area.panel;
+ int hide = 0;
+
+ error = FALSE;
+ old = XSetErrorHandler(window_error_handler);
+ XWindowAttributes attr;
+ XGetWindowAttributes(server.dsp, id, &attr);
+ if ( attr.depth != server.depth ) {
+ XSetWindowAttributes a;
+ a.background_pixmap = None; // set to none, otherwise XReparentWindow fails...
+ a.background_pixel = 0; // set background pixel to 0. Looks ugly, but at least the icon appears
+ // TODO: maybe the XShape extension can be used, to clip the icon
+ XChangeWindowAttributes(server.dsp, id, CWBackPixmap|CWBackPixel, &a);
+ }
+ XReparentWindow(server.dsp, id, panel->main_win, 0, 0);
+ XSync(server.dsp, False);
+ XSetErrorHandler(old);
+ if (error != FALSE) {
+ fprintf(stderr, "tint2 : not icon_swallow\n");
+ return FALSE;
+ }
+
+ {
+ Atom acttype;
+ int actfmt;
+ unsigned long nbitem, bytes;
+ unsigned char *data = 0;
+ int ret;
+
+ ret = XGetWindowProperty(server.dsp, id, server.atom._XEMBED_INFO, 0, 2, False, server.atom._XEMBED_INFO, &acttype, &actfmt, &nbitem, &bytes, &data);
+ if (ret == Success) {
+ if (data) {
+ if (nbitem == 2) {
+ //hide = ((data[1] & XEMBED_MAPPED) == 0);
+ //printf("hide %d\n", hide);
+ }
+ XFree(data);
+ }
+ }
+ else {
+ fprintf(stderr, "tint2 : xembed error\n");
+ return FALSE;
+ }
+ }
+ {
+ XEvent e;
+ e.xclient.type = ClientMessage;
+ e.xclient.serial = 0;
+ e.xclient.send_event = True;
+ e.xclient.message_type = server.atom._XEMBED;
+ e.xclient.window = id;
+ e.xclient.format = 32;
+ e.xclient.data.l[0] = CurrentTime;
+ e.xclient.data.l[1] = XEMBED_EMBEDDED_NOTIFY;
+ e.xclient.data.l[2] = 0;
+ e.xclient.data.l[3] = panel->main_win;
+ e.xclient.data.l[4] = 0;
+ XSendEvent(server.dsp, id, False, 0xFFFFFF, &e);
+ }
+
+ traywin = g_new0(TrayWindow, 1);
+ traywin->id = id;
+ traywin->hide = hide;
+
+ if (systray.sort == 3)
+ systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
+ else if (systray.sort == 2)
+ systray.list_icons = g_slist_append(systray.list_icons, traywin);
+ else
+ systray.list_icons = g_slist_insert_sorted(systray.list_icons, traywin, compare_traywindows);
+ systray.area.resize = 1;
+ systray.area.redraw = 1;
+ //printf("add_icon id %lx, %d\n", id, g_slist_length(systray.list_icons));
+
+ // watch for the icon trying to resize itself!
+ XSelectInput(server.dsp, traywin->id, StructureNotifyMask);
+
+ // show the window
+ if (!traywin->hide)
+ XMapRaised(server.dsp, traywin->id);
+
+ // changed in systray force resize on panel
+ panel->area.resize = 1;
+ panel_refresh = 1;
+ return TRUE;
+}
+
+
+void remove_icon(TrayWindow *traywin)
+{
+ XErrorHandler old;
+
+ // remove from our list
+ systray.list_icons = g_slist_remove(systray.list_icons, traywin);
+ systray.area.resize = 1;
+ systray.area.redraw = 1;
+ //printf("remove_icon id %lx, %d\n", traywin->id);
+
+ XSelectInput(server.dsp, traywin->id, NoEventMask);
+
+ // reparent to root
+ error = FALSE;
+ old = XSetErrorHandler(window_error_handler);
+ if (!traywin->hide)
+ XUnmapWindow(server.dsp, traywin->id);
+ XReparentWindow(server.dsp, traywin->id, server.root_win, 0, 0);
+ XSync(server.dsp, False);
+ XSetErrorHandler(old);
+ g_free(traywin);
+
+ // changed in systray force resize on panel
+ Panel *panel = systray.area.panel;
+ panel->area.resize = 1;
+ panel_refresh = 1;
+}
+
+
+void net_message(XClientMessageEvent *e)
+{
+ unsigned long opcode;
+ Window id;
+
+ opcode = e->data.l[1];
+ switch (opcode) {
+ case SYSTEM_TRAY_REQUEST_DOCK:
+ id = e->data.l[2];
+ if (id) add_icon(id);
+ break;
+
+ case SYSTEM_TRAY_BEGIN_MESSAGE:
+ case SYSTEM_TRAY_CANCEL_MESSAGE:
+ // we don't show baloons messages.
+ break;
+
+ default:
+ if (opcode == server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA)
+ printf("message from dockapp: %s\n", e->data.b);
+ else
+ fprintf(stderr, "SYSTEM_TRAY : unknown message type\n");
+ break;
+ }
+}
+
+
+void refresh_systray_icon()
+{
+ TrayWindow *traywin;
+ GSList *l;
+ for (l = systray.list_icons; l ; l = l->next) {
+ traywin = (TrayWindow*)l->data;
+ if (traywin->hide) continue;
+ XClearArea(server.dsp, traywin->id, 0, 0, traywin->width, traywin->height, True);
+ }
+}
+
projects / chaz / tint2 / blobdiff