/* gcc -o pager pager.c -lX11 -lXmu -ldockapp */
-#if 0
-#include <X11/extensions/Xrender.h>
-#endif
#include <X11/Xatom.h>
#include <dockapp.h>
+#include <string.h>
#define DOCKAPP_SIZE 56
#define SPEED 100
-#define ACTIVE_DESKTOP 1
-#define ACTIVE_WINDOW 2
+#ifndef FromTool
+#define FromTool 2
+#endif
-static GC lightGrayGC, darkGrayGC, active_desktopGC, inactive_desktopGC, active_windowGC, inactive_windowGC;
-static Atom num_desktops_atom, current_desktop_atom, client_list_atom, client_desktop_atom, client_state_atom, active_window_atom;
+static GC dockapp_border1GC, dockapp_border2GC, window_border1GC, window_border2GC, active_desktopGC, inactive_desktopGC, active_windowGC, inactive_windowGC;
+static Atom supported_atom, num_desktops_atom, desktop_geometry_atom, current_desktop_atom, client_list_atom, client_desktop_atom, client_state_atom, active_window_atom, moveresize_window_atom;
static Atom shaded_state, skip_pager_state, hidden_state;
-static long desktop = -1;
+static int desktop = -1;
+static Window drag_window;
+static int drag_x, drag_y;
+static int drag_button;
+static int dockapp_x, dockapp_y;
+static unsigned int dockapp_width, dockapp_height, dockapp_border, dockapp_depth;
+static double aspect, scale;
+
+static int desktop_geometry_supported;
+static int current_desktop_supported;
+static int client_list_supported;
+static int active_window_supported;
+static int moveresize_supported;
+
+typedef struct {
+ Window *window;
+ DARect rect;
+} client_t;
int error_handler(Display *display, XErrorEvent *event) {
char buffer[512];
- int length;
switch (event->error_code) {
case BadWindow:
void setup_atom(Atom *atom, const char *prop) {
*atom = XInternAtom(DADisplay, prop, True);
- if (*atom == None) exit(111);
+ if (*atom != None) return;
+ fprintf(stderr, "Unknown atom %s!\n", prop);
+ exit(111);
}
void get_atom_longs(Atom atom, Atom type, Window window, long **data, unsigned long *num_items) {
return ret;
}
+void check_support() {
+ long *data;
+ unsigned long i, num_items;
+
+ get_atom_longs(supported_atom, XA_ATOM, DefaultRootWindow(DADisplay), &data, &num_items);
+ for (i = 0; i < num_items; i++) {
+ if (data[i] == desktop_geometry_atom) desktop_geometry_supported = 1;
+ if (data[i] == current_desktop_atom) current_desktop_supported = 1;
+ if (data[i] == client_list_atom) client_list_supported = 1;
+ if (data[i] == active_window_atom) active_window_supported = 1;
+ if (data[i] == moveresize_window_atom) moveresize_supported = 1;
+ }
+
+ XFree(data);
+}
+
+void enumerate_clients(client_t ***clients, unsigned long *num_clients, unsigned long *active_desktop, unsigned long *active_window) {
+ Window root, qroot, qparent, dockapp_root, child, *wins, client;
+ int x, y;
+ unsigned int width, height, border, depth;
+ unsigned int root_width, root_height;
+ long *data;
+ long *states;
+ unsigned long i, j, num_states;
+ long client_desktop;
+ int draw;
+
+ if (desktop_geometry_supported) {
+ get_atom_longs(desktop_geometry_atom, XA_CARDINAL, DefaultRootWindow(DADisplay), &states, &num_states);
+ root_width = states[0];
+ root_height = states[1];
+ XFree(states);
+ }
+ else {
+ root_width = DisplayWidth(DADisplay, DefaultScreen(DADisplay));
+ root_height = DisplayWidth(DADisplay, DefaultScreen(DADisplay));
+ }
+
+ XGetGeometry(DADisplay, DAWindow, &dockapp_root, &dockapp_x, &dockapp_y, &dockapp_width, &dockapp_height, &dockapp_border, &dockapp_depth);
+ scale = (double) root_width / (double) dockapp_width;
+ aspect = (double) root_height / (double) dockapp_height;
+
+ *active_window = get_atom_long(active_window_atom, XA_WINDOW, dockapp_root);
+ *active_desktop = get_atom_long(current_desktop_atom, XA_CARDINAL, DefaultRootWindow(DADisplay));
+
+ if (client_list_supported) {
+ get_atom_longs(client_list_atom, XA_WINDOW, dockapp_root, &data, num_clients);
+ }
+ else {
+ XQueryTree(DADisplay, dockapp_root, &qroot, &qparent, &wins, (unsigned int *) num_clients);
+ }
+
+ *clients = (client_t **) malloc(sizeof(client_t *) * *num_clients);
+ if (! *clients) {
+ fprintf(stderr, "Out of memory for clients!\n");
+ exit(111);
+ }
+
+ for (i = 0; i < *num_clients; i++) {
+ (*clients)[i] = (client_t *) malloc(sizeof(client_t));
+ if (! (*clients)[i]) {
+ fprintf(stderr, "Out of memory for client!\n");
+ exit(111);
+ }
+ (*clients)[i]->window = 0;
+
+ if (client_list_supported) client = data[i];
+ else client = XmuClientWindow(DADisplay, wins[i]);
+
+ /* Don't page the pager. */
+ if (client == DAWindow) continue;
+
+ /* Check the window is on our desktop (or all desktops). */
+ client_desktop = get_atom_long(client_desktop_atom, XA_CARDINAL, client);
+ if (desktop > -1) {
+ if (client_desktop != desktop && client_desktop != -1) continue;
+ }
+ else {
+ if (client_desktop != *active_desktop && client_desktop != -1) continue;
+ }
+
+ /* Try to get its dimensions. */
+ if (! XGetGeometry(DADisplay, client, &root, &x, &y, &width, &height, &border, &depth)) continue;
+ if (! XTranslateCoordinates(DADisplay, client, root, x, y, &x, &y, &child)) continue;
+
+ /* Make sure it isn't hidden or shaded. */
+ draw = 1;
+ get_atom_longs(client_state_atom, XA_ATOM, client, &states, &num_states);
+ for (j = 0; j < num_states; j++) {
+ if (states[j] == shaded_state) height = 3.0 * scale;
+ if (states[j] == skip_pager_state) draw = 0;
+ if (states[j] == hidden_state) draw = 0;
+ }
+ if (! draw) continue;
+
+ (*clients)[i]->window = client;
+
+ /* Scale it. */
+ (*clients)[i]->rect.x = (double) x / scale;
+ (*clients)[i]->rect.y = (double) y / aspect;
+ (*clients)[i]->rect.width = (double) width / scale;
+ (*clients)[i]->rect.height = (double) height / aspect;
+ }
+
+ if (client_list_supported) XFree(data);
+ else XFree(wins);
+}
+
+void destroy_clients(client_t ***clients, unsigned long num_clients) {
+ unsigned long i;
+
+ if (! *clients) return;
+
+ for (i = 0; i < num_clients; i++) free((*clients)[i]);
+ free(*clients);
+}
+
void setup_GCs() {
XGCValues gcv;
gcv.foreground = DAGetColor("lightGray");
gcv.graphics_exposures = False;
- lightGrayGC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
+ dockapp_border1GC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
gcv.foreground = DAGetColor("#222222");
- darkGrayGC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
+ dockapp_border2GC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
- gcv.foreground = DAGetColor("#bbbbbb");
+ gcv.foreground = DAGetColor("#0088ff");
active_desktopGC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
- gcv.foreground = DAGetColor("#777777");
+ gcv.foreground = DAGetColor("darkGray");
inactive_desktopGC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
- gcv.foreground = DAGetColor("#20b2ae");
+ gcv.foreground = DAGetColor("white");
active_windowGC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
gcv.foreground = DAGetColor("#999999");
inactive_windowGC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
+
+ gcv.foreground = DAGetColor("black");
+ window_border1GC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
+
+ gcv.foreground = DAGetColor("#333333");
+ window_border2GC = XCreateGC(DADisplay, DAWindow, GCForeground|GCGraphicsExposures, &gcv);
}
void draw_relief(Pixmap pixmap, unsigned int width, unsigned int height, GC desktopGC) {
/* Drawing */
XFillRectangle(DADisplay, pixmap, desktopGC, 0, 0, width, height);
- XDrawLine(DADisplay, pixmap, darkGrayGC, 0, 0, 0, height - 2);
- XDrawLine(DADisplay, pixmap, darkGrayGC, 1, 0, width - 1, 0);
+ XDrawLine(DADisplay, pixmap, dockapp_border2GC, 0, 0, 0, height - 2);
+ XDrawLine(DADisplay, pixmap, dockapp_border2GC, 1, 0, width - 1, 0);
+
+ XDrawLine(DADisplay, pixmap, dockapp_border1GC, 0, height - 1, width - 1, height - 1);
+ XDrawLine(DADisplay, pixmap, dockapp_border1GC, width - 1, 1, width - 1, height - 2);
+}
- XDrawLine(DADisplay, pixmap, lightGrayGC, 0, height - 1, width - 1, height - 1);
- XDrawLine(DADisplay, pixmap, lightGrayGC, width - 1, 1, width - 1, height - 2);
+int clicked(DARect *rect, int x, int y) {
+ if (rect->x > x) return 0;
+ if (rect->y > y) return 0;
+ if (rect->x + rect->width < x) return 0;
+ if (rect->y + rect->height < y) return 0;
+ return 1;
}
-void change() {
+int client_message(Atom message_type, Window window, long data0, long data1, long data2, long data3, long data4) {
XEvent event;
- Window root = DefaultRootWindow(DADisplay);
+ memset(&event, 0, sizeof(event));
event.type = ClientMessage;
event.xclient.type = ClientMessage;
- event.xclient.window = root;
- event.xclient.message_type = current_desktop_atom;
+ event.xclient.send_event = True;
+ event.xclient.window = window;
+ event.xclient.message_type = message_type;
event.xclient.format = 32;
- event.xclient.data.l[0] = desktop;
+ event.xclient.data.l[0] = data0;
+ event.xclient.data.l[1] = data1;
+ event.xclient.data.l[2] = data2;
+ event.xclient.data.l[3] = data3;
+ event.xclient.data.l[4] = data4;
- XSendEvent(DADisplay, root, False, SubstructureNotifyMask, &event);
+ return XSendEvent(DADisplay, DefaultRootWindow(DADisplay), False, SubstructureRedirectMask | SubstructureNotifyMask, &event);
+}
+
+void change(int button, int state, int x, int y) {
+ client_t **clients;
+ unsigned long i, num_clients;
+ unsigned long active_desktop, active_window;
+
+ enumerate_clients(&clients, &num_clients, &active_desktop, &active_window);
+ for (i = num_clients - 1; i > 0; i--) {
+ if (! clients[i]->window) continue;
+ if (! clicked(&clients[i]->rect, x, y)) continue;
+
+ drag_window = (Window) clients[i]->window;
+ drag_button = button;
+ drag_x = x - clients[i]->rect.x;
+ drag_y = y - clients[i]->rect.y;
+ break;
+ }
+ destroy_clients(&clients, num_clients);
+
+ if (drag_window && button == 1) {
+ client_message(active_window_atom, drag_window, FromTool, CurrentTime, 0, 0 ,0);
+ }
+ else {
+ client_message(current_desktop_atom, DefaultRootWindow(DADisplay), desktop, 0, 0, 0, 0);
+ }
+}
+
+void release(int button, int state, int x, int y) {
+ if (button == drag_button) drag_window = 0;
}
void page() {
- Window root, dockapp_root, child, active_window;
- XWindowAttributes attr;
+ Window active_window;
Pixmap pixmap;
- DARect rect;
- long i, j;
- unsigned long num_clients, num_states;
- unsigned int root_width, root_height;
- unsigned int dockapp_x, dockapp_y, dockapp_width, dockapp_height, dockapp_border, dockapp_depth;
- unsigned int x, y, width, height, border, depth;
- double scale;
- long *clients, *states;
- long client_desktop, active_desktop;
- int active;
+ long i;
+ unsigned long num_clients;
+ unsigned long active_desktop;
GC gc;
+ client_t **clients;
- /* XXX: Use _NET_DESKTOP_GEOMETRY. */
- root_width = DisplayWidth(DADisplay, DefaultScreen(DADisplay));
- root_height = DisplayWidth(DADisplay, DefaultScreen(DADisplay));
-
- pixmap = DAMakePixmap();
- XGetGeometry(DADisplay, pixmap, &dockapp_root, &dockapp_x, &dockapp_y, &dockapp_width, &dockapp_height, &dockapp_border, &dockapp_depth);
- scale = (double) root_width / (double) dockapp_width;
+ enumerate_clients(&clients, &num_clients, &active_desktop, &active_window);
- active_window = get_atom_long(active_window_atom, XA_WINDOW, dockapp_root);
- active_desktop = get_atom_long(current_desktop_atom, XA_CARDINAL, DefaultRootWindow(DADisplay));
-
- if (active_desktop == desktop) gc = active_desktopGC;
+ pixmap = XCreatePixmap(DADisplay, DAWindow, dockapp_width, dockapp_height, dockapp_depth);
+ if (active_desktop == desktop || desktop < 0) gc = active_desktopGC;
else gc = inactive_desktopGC;
draw_relief(pixmap, dockapp_width, dockapp_height, gc);
- get_atom_longs(client_list_atom, XA_WINDOW, dockapp_root, &clients, &num_clients);
for (i = 0; i < num_clients; i++) {
- int draw = 1;
- client_desktop = get_atom_long(client_desktop_atom, XA_CARDINAL, clients[i]);
- if (client_desktop != desktop && client_desktop != -1) continue;
- if (! XGetGeometry(DADisplay, clients[i], &root, &x, &y, &width, &height, &border, &depth)) continue;
- if (! XTranslateCoordinates(DADisplay, clients[i], root, x, y, &x, &y, &child)) continue;
- get_atom_longs(client_state_atom, XA_ATOM, clients[i], &states, &num_states);
- for (j = 0; j < num_states; j++) {
- if (states[j] == shaded_state) draw = 0;
- if (states[j] == skip_pager_state) draw = 0;
- if (states[j] == hidden_state) draw = 0;
- }
- if (! draw) continue;
+ if (! clients[i]->window) continue;
- rect.x = (double) x / scale;
- rect.y = (double) y / scale;
- rect.width = (double) width / scale;
- rect.height = (double) height / scale;
+ /* Draw windows which are partially off-screen. */
+ if (clients[i]->rect.x < 0) {
+ clients[i]->rect.width += clients[i]->rect.x;
+ clients[i]->rect.x = 0;
+ }
+ if (clients[i]->rect.y < 0) {
+ clients[i]->rect.height += clients[i]->rect.y;
+ clients[i]->rect.y = 0;
+ }
- if (clients[i] == active_window) gc = active_windowGC;
+ /* Draw small windows. */
+ if (clients[i]->rect.width < 2 || clients[i]->rect.height < 2) gc = window_border1GC;
+ else if ((long) clients[i]->window == active_window) gc = active_windowGC;
else gc = inactive_windowGC;
- XFillRectangle(DADisplay, pixmap, gc, rect.x, rect.y, rect.width, rect.height);
-
- /* Thumbnail. */
-#if 0
- XRenderPictureAttributes pa;
- Pixmap client_pixmap = XCreatePixmap(DADisplay, wins[i], width, height, DefaultDepth(DADisplay, DefaultScreen(DADisplay)));
- //XCopyArea(DADisplay, wins[i], client_pixmap, DefaultGC(DADisplay, DefaultScreen(DADisplay)), 0, 0, width, height, 0, 0);
- Picture client_picture = XRenderCreatePicture(DADisplay, client_pixmap, XRenderFindVisualFormat(DADisplay, attr.visual), CPSubwindowMode, &pa);
-
- XTransform xform = {{
- { XDoubleToFixed(1.0), 0, 0 },
- { 0, XDoubleToFixed(1.0), 0 },
- { 0, 0, XDoubleToFixed(scale) },
- }};
-
- XRenderSetPictureFilter(DADisplay, client_picture, FilterBilinear, 0, 0);
- XRenderSetPictureTransform(DADisplay, client_picture, &xform);
- XRenderComposite(DADisplay, PictOpSrc, client_picture, None, picture, 0, 0, 0, 0, rect.x, rect.y, rect.width, rect.height);
- XFreePixmap(DADisplay, client_pixmap);
- XSync(DADisplay, False);
-#endif
- XDrawLine(DADisplay, pixmap, darkGrayGC, rect.x, rect.y, rect.x, rect.y + rect.height - 2);
- XDrawLine(DADisplay, pixmap, darkGrayGC, rect.x + 1, rect.y, rect.x + rect.width - 1, rect.y);
- XDrawLine(DADisplay, pixmap, lightGrayGC, rect.x, rect.y + rect.height - 1, rect.x + rect.width - 1, rect.y + rect.height - 1);
- XDrawLine(DADisplay, pixmap, lightGrayGC, rect.x + rect.width - 1, rect.y + 1, rect.x + rect.width - 1, rect.y + rect.height - 2);
+ XFillRectangle(DADisplay, pixmap, gc, clients[i]->rect.x, clients[i]->rect.y, clients[i]->rect.width, clients[i]->rect.height);
+ if (clients[i]->rect.width < 2 || clients[i]->rect.height < 2) continue;
+
+ XDrawLine(DADisplay, pixmap, window_border1GC, clients[i]->rect.x, clients[i]->rect.y, clients[i]->rect.x, clients[i]->rect.y + clients[i]->rect.height - 2);
+ XDrawLine(DADisplay, pixmap, window_border1GC, clients[i]->rect.x + 1, clients[i]->rect.y, clients[i]->rect.x + clients[i]->rect.width - 1, clients[i]->rect.y);
+ XDrawLine(DADisplay, pixmap, window_border2GC, clients[i]->rect.x, clients[i]->rect.y + clients[i]->rect.height - 1, clients[i]->rect.x + clients[i]->rect.width - 1, clients[i]->rect.y + clients[i]->rect.height - 1);
+ XDrawLine(DADisplay, pixmap, window_border2GC, clients[i]->rect.x + clients[i]->rect.width - 1, clients[i]->rect.y + 1, clients[i]->rect.x + clients[i]->rect.width - 1, clients[i]->rect.y + clients[i]->rect.height - 2);
}
+ destroy_clients(&clients, num_clients);
+
DASetPixmap(pixmap);
XFreePixmap(DADisplay, pixmap);
}
+void move(int x, int y) {
+ long dest_x, dest_y;
+
+ if (! drag_window) return;
+ if (x < 0 || y < 0) return;
+ if (x >= dockapp_width || y >= dockapp_height) return;
+
+ dest_x = (long) ((double) (x - drag_x) * scale);
+ dest_y = (long) ((double) (y - drag_y) * scale);
+
+ if (moveresize_supported) {
+ client_message(moveresize_window_atom, drag_window, StaticGravity | (3 << 8) | (FromTool << 12), drag_x, drag_y, 0, 0);
+ }
+ else {
+ XMoveWindow(DADisplay, drag_window, dest_x, dest_y);
+ }
+
+ page();
+}
+
int main(int argc, char **argv) {
Display *display;
unsigned int root_width, root_height;
- unsigned int dockapp_width, dockapp_height;
long num_desktops;
- double aspect;
- DACallbacks callbacks = { 0, change, 0, 0, 0, 0, page };
+ DACallbacks callbacks = { 0, change, release, move, 0, 0, page };
DAProgramOption options = { "-d", "--desktop", "Desktop to page", DOInteger, 0, { (int *) &desktop } };
DASetExpectedVersion(20020126);
dockapp_width = (double) DOCKAPP_SIZE / aspect;
}
- DAParseArguments(argc, argv, &options, 1, "BLURB", "BLORB");
+ DAParseArguments(argc, argv, &options, 1, "OPTIONS", "pager");
DAOpenDisplay(0, argc, argv);
DACreateIcon("pager", dockapp_width, dockapp_height, argc, argv);
DASetCallbacks(&callbacks);
DASetTimeout(SPEED);
+ setup_atom(&supported_atom, "_NET_SUPPORTED");
setup_atom(&num_desktops_atom, "_NET_NUMBER_OF_DESKTOPS");
+ setup_atom(&desktop_geometry_atom, "_NET_DESKTOP_GEOMETRY");
setup_atom(¤t_desktop_atom, "_NET_CURRENT_DESKTOP");
setup_atom(&client_list_atom, "_NET_CLIENT_LIST_STACKING");
setup_atom(&client_desktop_atom, "_NET_WM_DESKTOP");
setup_atom(&client_state_atom, "_NET_WM_STATE");
setup_atom(&active_window_atom, "_NET_ACTIVE_WINDOW");
+ setup_atom(&moveresize_window_atom, "_NET_MOVERESIZE_WINDOW");
setup_atom(&shaded_state, "_NET_WM_STATE_SHADED");
setup_atom(&skip_pager_state, "_NET_WM_STATE_SKIP_PAGER");
setup_atom(&hidden_state, "_NET_WM_STATE_HIDDEN");
+ check_support();
+
num_desktops = get_atom_long(num_desktops_atom, XA_CARDINAL, DefaultRootWindow(DADisplay));
- if (desktop < 1) {
+ if (desktop == 0) {
desktop = get_atom_long(current_desktop_atom, XA_CARDINAL, DefaultRootWindow(DADisplay));
}
+ else if (desktop < 0) desktop = -1;
else if (desktop-- > num_desktops) {
- fprintf(stderr, "There are only %d desktops!\n", num_desktops);
+ fprintf(stderr, "There are only %ld desktops!\n", num_desktops);
exit(111);
}
setup_GCs();
DAShow();
DAEventLoop();
+
+ exit(0);
}