Move stuff around, decorate windows a bit
Michael Stapelberg
parent
b664456706
commit
023ec870a2
1
RFC
1
RFC
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@ -12,6 +12,7 @@ KEY FEATURES
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* Mit Messages werden sinnvolle Funktionen gesteuert, zum Beispiel der Inhalt der Bars
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* Unnötige Rendervorgänge werden automagisch wegoptimiert
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* Bei neuen Screens (beamer, etc…) verhält sich i3 so wie man das möchte™
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* Dokumentation ist wichtig! Alles soll dokumentiert sein, und zwar gut und aktuell.
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FEATURES
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5
data.h
5
data.h
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@ -31,4 +31,9 @@ typedef struct Client {
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/* TODO: this is NOT final */
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Cell old_position; /* if you set a client to floating and set it back to managed,
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it does remember its old position and *tries* to get back there */
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/* XCB contexts */
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xcb_gcontext_t titlegc;
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xcb_window_t window;
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} Client;
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283
mainx.c
283
mainx.c
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@ -7,6 +7,9 @@
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#include "xcb_wm.h"
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#include "xcb_aux.h"
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#include "xcb_event.h"
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#include "xcb_property.h"
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#include "xcb_keysyms.h"
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#include "data.h"
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Font myfont;
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@ -17,6 +20,11 @@ static const int BOTTOM = 5;
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static const int RIGHT = 5;
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table_t *byChild = 0;
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table_t *byParent = 0;
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xcb_window_t root_win;
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int globalc = 0;
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Client myc;
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static const char *labelError[] = {
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@ -286,18 +294,71 @@ static int addClientWindow(xcb_window_t child, xcb_window_t parent, xcb_gcontext
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return 1;
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}
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/*
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* Returns the colorpixel to use for the given RGB color code
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*
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*/
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uint32_t get_colorpixel(xcb_connection_t *conn, int r, int g, int b) {
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xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
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xcb_colormap_t colormapId = xcb_generate_id(conn);
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/* TODO: we need to get myc.window away here */
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xcb_create_colormap(conn, XCB_COLORMAP_ALLOC_NONE, colormapId, myc.window, root_screen->root_visual);
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xcb_alloc_color_reply_t *reply = xcb_alloc_color_reply(conn, xcb_alloc_color(conn, colormapId, r, g, b), NULL);
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if (!reply) {
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printf("color fail\n");
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return;
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}
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uint32_t pixel = reply->pixel;
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free(reply);
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return pixel;
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}
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/*
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* (Re-)draws window decorations for a given Client
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*
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*/
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void decorate_window(xcb_connection_t *conn, Client *client) {
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uint32_t mask = 0;
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uint32_t values[3];
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xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
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mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
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xcb_font_t font = xcb_generate_id (conn);
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char *font_name = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso8859-1";
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xcb_void_cookie_t fontCookie = xcb_open_font_checked (conn, font, strlen (font_name), font_name );
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values[0] = root_screen->black_pixel;
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if (globalc++ > 1)
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values[1] = get_colorpixel(conn, 65535, 0, 0);
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else values[1] = get_colorpixel(conn, 0, 0, 65535);
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values[2] = font;
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xcb_change_gc(conn, client->titlegc, mask, values);
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/* TODO: utf8? */
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char *label = "i3 rocks :>";
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xcb_void_cookie_t textCookie = xcb_image_text_8_checked (conn, strlen (label), myc.window, myc.titlegc, 2, 15, label );
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}
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/*
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* Let’s own this window…
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*
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*/
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void reparent_window(xcb_connection_t *conn, xcb_window_t child,
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xcb_visualid_t visual, xcb_window_t root, uint8_t depth,
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int16_t x, int16_t y, uint16_t width, uint16_t height)
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{
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xcb_window_t window;
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xcb_drawable_t drawable;
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uint32_t mask = 0;
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uint32_t values[3];
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xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
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xcb_gcontext_t titlegc;
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window = xcb_generate_id(conn);
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myc.window = xcb_generate_id(conn);
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/* TODO: what do these mean? */
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mask |= XCB_CW_BACK_PIXEL;
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@ -310,12 +371,12 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child,
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values[2] = XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE
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| XCB_EVENT_MASK_EXPOSURE /* | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW */;
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printf("Reparenting 0x%08x under 0x%08x.\n", child, window);
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printf("Reparenting 0x%08x under 0x%08x.\n", child, myc.window);
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/* Yo dawg, I heard you like windows, so I create a window around your window… */
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xcb_create_window(conn,
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depth,
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window,
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myc.window,
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root,
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x,
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y,
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@ -329,72 +390,75 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child,
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xcb_change_save_set(conn, XCB_SET_MODE_INSERT, child);
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/* Map the window on the screen (= make it visible) */
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xcb_map_window(conn, window);
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xcb_map_window(conn, myc.window);
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titlegc = xcb_generate_id(conn);
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mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
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#if 0
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values[0] = root_screen->black_pixel;
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values[1] = root_screen->white_pixel;
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#endif
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xcb_colormap_t colormapId = xcb_generate_id (conn);
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xcb_create_colormap (conn, XCB_COLORMAP_ALLOC_NONE, colormapId, window, root_screen->root_visual );
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xcb_alloc_color_reply_t *reply = xcb_alloc_color_reply (conn,
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xcb_alloc_color (conn,
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colormapId,
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0,
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0,
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65535),
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NULL );
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if (!reply) {
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printf("color fail\n");
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return;
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}
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xcb_font_t font = xcb_generate_id (conn);
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char *font_name = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso8859-1";
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xcb_void_cookie_t fontCookie = xcb_open_font_checked (conn,
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font,
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strlen (font_name),
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font_name );
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values[0] = root_screen->black_pixel;
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values[1] = reply->pixel;
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values[2] = font;
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drawable = window;
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/* Create a new graphics context */
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xcb_create_gc(conn, titlegc, drawable, mask, values);
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/* Change color to something different, just to test */
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values[1] = root_screen->white_pixel;
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xcb_change_gc(conn, titlegc, mask, values);
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/* TODO: utf8? */
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char *label = "i3 rocks :>";
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xcb_void_cookie_t textCookie = xcb_image_text_8_checked (conn,
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strlen (label),
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window,
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titlegc,
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2, 15,
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label );
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/* Generate a graphics context for the titlebar */
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myc.titlegc = xcb_generate_id(conn);
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xcb_create_gc(conn, myc.titlegc, myc.window, 0, 0);
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/* Draw decorations */
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decorate_window(conn, &myc);
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/* add the title context as a child for the window */
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addClientWindow(child, window, titlegc);
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/* TODO: replace this, it's internal */
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addClientWindow(child, myc.window, myc.titlegc);
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/* Moves the original window into the new frame we've created for it */
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xcb_reparent_window(conn, child, window, LEFT - 1, TOP - 1);
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/* TODO: hmm, LEFT/TOP needs to go */
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xcb_reparent_window(conn, child, myc.window, LEFT - 1, TOP - 1);
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/* We are interested in property changes */
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mask = XCB_CW_EVENT_MASK;
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values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
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xcb_change_window_attributes(conn, child, mask, values);
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/* TODO: At the moment, new windows just get focus */
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xcb_get_input_focus_reply_t *reply = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
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if (reply) {
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printf("got focus info\n");
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printf("focus is at %p\n", reply->focus);
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printf("window is at %p\n", myc.window);
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free(reply);
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}
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xcb_set_input_focus(conn, XCB_INPUT_FOCUS_NONE, myc.window, XCB_CURRENT_TIME);
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xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, myc.window, XCB_CURRENT_TIME);
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reply = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
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if (reply) {
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printf("got focus info\n");
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printf("focus is at %p\n", reply->focus);
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printf("window is at %p\n", myc.window);
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free(reply);
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}
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#if 0
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xcb_intern_atom_cookie_t atom_cookie = xcb_intern_atom(conn, 0, strlen("_NET_ACTIVE_WINDOW"), "_NET_ACTIVE_WINDOW");
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xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, atom_cookie, NULL);
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int atom = -1;
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if (reply) {
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atom = reply->atom;
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printf("setting atom %d\n", atom);
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free(reply);
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}
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printf("atom = %d\n", atom);
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xcb_change_property(conn,
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XCB_PROP_MODE_REPLACE,
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root,
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atom,
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WINDOW,
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32, /* format, see http://standards.freedesktop.org/wm-spec/1.3/ar01s03.html */
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1, /* source indication? FIXME */
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&myc.window);
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#endif
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xcb_flush(conn);
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}
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@ -441,15 +505,60 @@ static int handleEvent(void *ignored, xcb_connection_t *c, xcb_generic_event_t *
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return format_event(e);
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}
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static int handle_key_press(void *ignored, xcb_connection_t *c, xcb_generic_event_t *e)
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{
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xcb_key_press_event_t *event = e;
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/*
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* There was a key press. We lookup the key symbol and see if there are any bindings
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* on that. This allows to do things like binding special characters (think of ä) to
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* functions to get one more modifier while not losing AltGr :-)
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*
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*/
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static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_generic_event_t *e) {
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xcb_key_press_event_t *event = (xcb_key_press_event_t*)e;
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/* FIXME: We need to translate the keypress + state into a string (like, ä)
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because they do not generate keysyms (use xev and see for yourself) */
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printf("oh yay!\n");
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printf("gots press %d\n", event->detail);
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/* TODO: try to change the window border of all windows. */
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printf("i'm in state %d\n", event->state);
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if (event->detail == 46) {
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/* 't' */
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pid_t pid;
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if ((pid = vfork()) == 0) {
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/* Child */
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/* TODO: what environment do we need to pass? */
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char *env[2];
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env[0] = "DISPLAY=:1";
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env[1] = NULL;
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char *argv[2];
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argv[0] = "/usr/bin/xterm";
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argv[1] = NULL;
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execve("/usr/bin/xterm", argv, env);
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}
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} else if (event->detail == 38) {
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xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, myc.window, XCB_CURRENT_TIME);
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}
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//decorate_window(c, &myc);
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return format_event(e);
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}
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static int handle_motion(void *ignored, xcb_connection_t *conn, xcb_generic_event_t *e) {
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xcb_motion_notify_event_t *event = (xcb_motion_notify_event_t*)e;
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printf("i gots a motion: %d, %d\n", event->event_x, event->event_y);
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printf("@root that is: %d, %d\n", event->root_x, event->root_y);
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if (event->root_x < 50) {
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printf("setting focus\n");
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xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, myc.window, XCB_CURRENT_TIME);
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}
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}
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static void redrawWindow(xcb_connection_t *c, client_window_t *client)
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{
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printf("redrawing window.\n");
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@ -544,7 +653,6 @@ int main() {
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memset(&evenths, 0, sizeof(xcb_event_handlers_t));
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memset(&prophs, 0, sizeof(xcb_property_handlers_t));
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byChild = alloc_table();
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byParent = alloc_table();
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@ -573,6 +681,8 @@ myfont.height = reply->font_ascent + reply->font_descent;
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xcb_event_set_handler(&evenths, i, handleEvent, 0);
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xcb_event_set_handler(&evenths, XCB_KEY_PRESS, handle_key_press, 0);
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xcb_event_set_handler(&evenths, XCB_MOTION_NOTIFY, handle_motion, 0);
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for(i = 0; i < 256; ++i)
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xcb_event_set_error_handler(&evenths, i, (xcb_generic_error_handler_t) handleEvent, 0);
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@ -585,19 +695,48 @@ myfont.height = reply->font_ascent + reply->font_descent;
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xcb_property_handlers_init(&prophs, &evenths);
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xcb_event_set_map_notify_handler(&evenths, handle_map_notify_event, &prophs);
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//xcb_grab_key (xcb_connection_t *c, uint8_t owner_events, xcb_window_t grab_window, uint16_t modifiers, xcb_keycode_t key, uint8_t pointer_mode, uint8_t keyboard_mode)
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root = xcb_aux_get_screen(c, screens)->root;
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root_win = root;
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{
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uint32_t mask = XCB_CW_EVENT_MASK;
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uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE };
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xcb_change_window_attributes(c, root, mask, values);
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}
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uint32_t mask = XCB_CW_EVENT_MASK;
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uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE };
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xcb_change_window_attributes(c, root, mask, values);
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/* Grab 'a' */
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xcb_grab_key(c, 0, root, 0, 38, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC);
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//xcb_grab_key(c, 0, root, 0, 38, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC);
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xcb_grab_key(c, 0, root, 0, 46, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC);
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#if 0
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if (xcb_grab_pointer_reply(c, xcb_grab_pointer_unchecked(c, 0, root,
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XCB_EVENT_MASK_BUTTON_PRESS |
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XCB_EVENT_MASK_BUTTON_RELEASE |
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XCB_EVENT_MASK_ENTER_WINDOW |
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XCB_EVENT_MASK_LEAVE_WINDOW |
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XCB_EVENT_MASK_POINTER_MOTION,
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XCB_GRAB_MODE_ASYNC,
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XCB_GRAB_MODE_ASYNC,
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XCB_NONE, XCB_NONE,
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XCB_CURRENT_TIME), NULL))
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printf("could not grab pointer\n");
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#endif
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//xcb_grab_key(c, 0, root, XCB_BUTTON_MASK_ANY, 40, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC);
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/* 't' */
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pid_t pid;
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if ((pid = vfork()) == 0) {
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/* Child */
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/* TODO: what environment do we need to pass? */
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char *env[2];
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env[0] = "DISPLAY=:1";
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env[1] = NULL;
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char *argv[3];
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argv[0] = "/usr/bin/xterm";
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argv[1] = NULL;
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execve("/usr/bin/xterm", argv, env);
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}
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xcb_flush(c);
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