From 023ec870a2b35978ec66ee9f03f5d9604d396b34 Mon Sep 17 00:00:00 2001 From: Michael Stapelberg Date: Sat, 7 Feb 2009 01:38:51 +0100 Subject: [PATCH] Move stuff around, decorate windows a bit --- RFC | 1 + data.h | 5 + mainx.c | 279 ++++++++++++++++++++++++++++++++++++++++++-------------- 3 files changed, 215 insertions(+), 70 deletions(-) diff --git a/RFC b/RFC index 3b8e52b3..5d749204 100644 --- a/RFC +++ b/RFC @@ -12,6 +12,7 @@ KEY FEATURES * Mit Messages werden sinnvolle Funktionen gesteuert, zum Beispiel der Inhalt der Bars * Unnötige Rendervorgänge werden automagisch wegoptimiert * Bei neuen Screens (beamer, etc…) verhält sich i3 so wie man das möchte™ +* Dokumentation ist wichtig! Alles soll dokumentiert sein, und zwar gut und aktuell. FEATURES diff --git a/data.h b/data.h index da2e5db9..39c3681a 100644 --- a/data.h +++ b/data.h @@ -31,4 +31,9 @@ typedef struct Client { /* TODO: this is NOT final */ Cell old_position; /* if you set a client to floating and set it back to managed, it does remember its old position and *tries* to get back there */ + + + /* XCB contexts */ + xcb_gcontext_t titlegc; + xcb_window_t window; } Client; diff --git a/mainx.c b/mainx.c index 88d88394..5b623283 100644 --- a/mainx.c +++ b/mainx.c @@ -7,6 +7,9 @@ #include "xcb_wm.h" #include "xcb_aux.h" +#include "xcb_event.h" +#include "xcb_property.h" +#include "xcb_keysyms.h" #include "data.h" Font myfont; @@ -17,6 +20,11 @@ static const int BOTTOM = 5; static const int RIGHT = 5; table_t *byChild = 0; table_t *byParent = 0; + xcb_window_t root_win; + +int globalc = 0; + +Client myc; static const char *labelError[] = { @@ -286,18 +294,71 @@ static int addClientWindow(xcb_window_t child, xcb_window_t parent, xcb_gcontext return 1; } +/* + * Returns the colorpixel to use for the given RGB color code + * + */ +uint32_t get_colorpixel(xcb_connection_t *conn, int r, int g, int b) { + xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data; + + xcb_colormap_t colormapId = xcb_generate_id(conn); + /* TODO: we need to get myc.window away here */ + xcb_create_colormap(conn, XCB_COLORMAP_ALLOC_NONE, colormapId, myc.window, root_screen->root_visual); + xcb_alloc_color_reply_t *reply = xcb_alloc_color_reply(conn, xcb_alloc_color(conn, colormapId, r, g, b), NULL); + + if (!reply) { + printf("color fail\n"); + return; + } + + uint32_t pixel = reply->pixel; + free(reply); + return pixel; +} + +/* + * (Re-)draws window decorations for a given Client + * + */ +void decorate_window(xcb_connection_t *conn, Client *client) { + uint32_t mask = 0; + uint32_t values[3]; + xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data; + + mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT; + + xcb_font_t font = xcb_generate_id (conn); + char *font_name = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso8859-1"; + xcb_void_cookie_t fontCookie = xcb_open_font_checked (conn, font, strlen (font_name), font_name ); + + values[0] = root_screen->black_pixel; + if (globalc++ > 1) + values[1] = get_colorpixel(conn, 65535, 0, 0); + else values[1] = get_colorpixel(conn, 0, 0, 65535); + values[2] = font; + + xcb_change_gc(conn, client->titlegc, mask, values); + + + /* TODO: utf8? */ + char *label = "i3 rocks :>"; + xcb_void_cookie_t textCookie = xcb_image_text_8_checked (conn, strlen (label), myc.window, myc.titlegc, 2, 15, label ); +} + +/* + * Let’s own this window… + * + */ void reparent_window(xcb_connection_t *conn, xcb_window_t child, xcb_visualid_t visual, xcb_window_t root, uint8_t depth, int16_t x, int16_t y, uint16_t width, uint16_t height) { - xcb_window_t window; xcb_drawable_t drawable; uint32_t mask = 0; uint32_t values[3]; xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data; - xcb_gcontext_t titlegc; - window = xcb_generate_id(conn); + myc.window = xcb_generate_id(conn); /* TODO: what do these mean? */ mask |= XCB_CW_BACK_PIXEL; @@ -310,12 +371,12 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child, values[2] = XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_EXPOSURE /* | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW */; - printf("Reparenting 0x%08x under 0x%08x.\n", child, window); + printf("Reparenting 0x%08x under 0x%08x.\n", child, myc.window); /* Yo dawg, I heard you like windows, so I create a window around your window… */ xcb_create_window(conn, depth, - window, + myc.window, root, x, y, @@ -329,71 +390,74 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child, xcb_change_save_set(conn, XCB_SET_MODE_INSERT, child); /* Map the window on the screen (= make it visible) */ - xcb_map_window(conn, window); + xcb_map_window(conn, myc.window); - titlegc = xcb_generate_id(conn); + /* Generate a graphics context for the titlebar */ + myc.titlegc = xcb_generate_id(conn); + xcb_create_gc(conn, myc.titlegc, myc.window, 0, 0); - mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT; -#if 0 - values[0] = root_screen->black_pixel; + /* Draw decorations */ + decorate_window(conn, &myc); - values[1] = root_screen->white_pixel; -#endif -xcb_colormap_t colormapId = xcb_generate_id (conn); -xcb_create_colormap (conn, XCB_COLORMAP_ALLOC_NONE, colormapId, window, root_screen->root_visual ); -xcb_alloc_color_reply_t *reply = xcb_alloc_color_reply (conn, - xcb_alloc_color (conn, - colormapId, - 0, - 0, - 65535), - NULL ); - - if (!reply) { -printf("color fail\n"); - return; -} + /* add the title context as a child for the window */ + /* TODO: replace this, it's internal */ + addClientWindow(child, myc.window, myc.titlegc); -xcb_font_t font = xcb_generate_id (conn); -char *font_name = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso8859-1"; - xcb_void_cookie_t fontCookie = xcb_open_font_checked (conn, - font, - strlen (font_name), - font_name ); + /* Moves the original window into the new frame we've created for it */ + /* TODO: hmm, LEFT/TOP needs to go */ + xcb_reparent_window(conn, child, myc.window, LEFT - 1, TOP - 1); + /* We are interested in property changes */ + mask = XCB_CW_EVENT_MASK; + values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY; + xcb_change_window_attributes(conn, child, mask, values); - values[0] = root_screen->black_pixel; - values[1] = reply->pixel; - values[2] = font; + /* TODO: At the moment, new windows just get focus */ - drawable = window; - /* Create a new graphics context */ - xcb_create_gc(conn, titlegc, drawable, mask, values); + xcb_get_input_focus_reply_t *reply = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL); + if (reply) { + printf("got focus info\n"); + printf("focus is at %p\n", reply->focus); + printf("window is at %p\n", myc.window); - /* Change color to something different, just to test */ - values[1] = root_screen->white_pixel; - xcb_change_gc(conn, titlegc, mask, values); + free(reply); + } +xcb_set_input_focus(conn, XCB_INPUT_FOCUS_NONE, myc.window, XCB_CURRENT_TIME); -/* TODO: utf8? */ - char *label = "i3 rocks :>"; - xcb_void_cookie_t textCookie = xcb_image_text_8_checked (conn, - strlen (label), - window, - titlegc, - 2, 15, - label ); + xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, myc.window, XCB_CURRENT_TIME); + reply = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL); + if (reply) { + printf("got focus info\n"); + printf("focus is at %p\n", reply->focus); + printf("window is at %p\n", myc.window); + free(reply); + } - /* add the title context as a child for the window */ - addClientWindow(child, window, titlegc); + +#if 0 - /* Moves the original window into the new frame we've created for it */ - xcb_reparent_window(conn, child, window, LEFT - 1, TOP - 1); + xcb_intern_atom_cookie_t atom_cookie = xcb_intern_atom(conn, 0, strlen("_NET_ACTIVE_WINDOW"), "_NET_ACTIVE_WINDOW"); + xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, atom_cookie, NULL); + int atom = -1; + if (reply) { + atom = reply->atom; + printf("setting atom %d\n", atom); + free(reply); + } + printf("atom = %d\n", atom); + + + xcb_change_property(conn, + XCB_PROP_MODE_REPLACE, + root, + atom, + WINDOW, + 32, /* format, see http://standards.freedesktop.org/wm-spec/1.3/ar01s03.html */ + 1, /* source indication? FIXME */ + &myc.window); +#endif - /* We are interested in property changes */ - mask = XCB_CW_EVENT_MASK; - values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY; - xcb_change_window_attributes(conn, child, mask, values); xcb_flush(conn); } @@ -441,15 +505,60 @@ static int handleEvent(void *ignored, xcb_connection_t *c, xcb_generic_event_t * return format_event(e); } -static int handle_key_press(void *ignored, xcb_connection_t *c, xcb_generic_event_t *e) -{ - xcb_key_press_event_t *event = e; +/* + * There was a key press. We lookup the key symbol and see if there are any bindings + * on that. This allows to do things like binding special characters (think of ä) to + * functions to get one more modifier while not losing AltGr :-) + * + */ +static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_generic_event_t *e) { + xcb_key_press_event_t *event = (xcb_key_press_event_t*)e; + + + /* FIXME: We need to translate the keypress + state into a string (like, ä) + because they do not generate keysyms (use xev and see for yourself) */ + printf("oh yay!\n"); printf("gots press %d\n", event->detail); - /* TODO: try to change the window border of all windows. */ + printf("i'm in state %d\n", event->state); + + if (event->detail == 46) { + /* 't' */ + pid_t pid; + if ((pid = vfork()) == 0) { + /* Child */ + /* TODO: what environment do we need to pass? */ + char *env[2]; + env[0] = "DISPLAY=:1"; + env[1] = NULL; + char *argv[2]; + argv[0] = "/usr/bin/xterm"; + argv[1] = NULL; + execve("/usr/bin/xterm", argv, env); + } + } else if (event->detail == 38) { + xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, myc.window, XCB_CURRENT_TIME); + } + + //decorate_window(c, &myc); + return format_event(e); } +static int handle_motion(void *ignored, xcb_connection_t *conn, xcb_generic_event_t *e) { + xcb_motion_notify_event_t *event = (xcb_motion_notify_event_t*)e; + + printf("i gots a motion: %d, %d\n", event->event_x, event->event_y); + printf("@root that is: %d, %d\n", event->root_x, event->root_y); + + if (event->root_x < 50) { + printf("setting focus\n"); + xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, myc.window, XCB_CURRENT_TIME); + + } +} + + static void redrawWindow(xcb_connection_t *c, client_window_t *client) { printf("redrawing window.\n"); @@ -544,7 +653,6 @@ int main() { memset(&evenths, 0, sizeof(xcb_event_handlers_t)); memset(&prophs, 0, sizeof(xcb_property_handlers_t)); - byChild = alloc_table(); byParent = alloc_table(); @@ -573,6 +681,8 @@ myfont.height = reply->font_ascent + reply->font_descent; xcb_event_set_handler(&evenths, i, handleEvent, 0); xcb_event_set_handler(&evenths, XCB_KEY_PRESS, handle_key_press, 0); + xcb_event_set_handler(&evenths, XCB_MOTION_NOTIFY, handle_motion, 0); + for(i = 0; i < 256; ++i) xcb_event_set_error_handler(&evenths, i, (xcb_generic_error_handler_t) handleEvent, 0); @@ -585,19 +695,48 @@ myfont.height = reply->font_ascent + reply->font_descent; xcb_property_handlers_init(&prophs, &evenths); xcb_event_set_map_notify_handler(&evenths, handle_map_notify_event, &prophs); - //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) - root = xcb_aux_get_screen(c, screens)->root; + root_win = root; - { - uint32_t mask = XCB_CW_EVENT_MASK; - uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE }; - xcb_change_window_attributes(c, root, mask, values); - } + uint32_t mask = XCB_CW_EVENT_MASK; + uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE }; + xcb_change_window_attributes(c, root, mask, values); /* Grab 'a' */ - xcb_grab_key(c, 0, root, 0, 38, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); + //xcb_grab_key(c, 0, root, 0, 38, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); + xcb_grab_key(c, 0, root, 0, 46, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); +#if 0 + if (xcb_grab_pointer_reply(c, xcb_grab_pointer_unchecked(c, 0, root, + XCB_EVENT_MASK_BUTTON_PRESS | + XCB_EVENT_MASK_BUTTON_RELEASE | + XCB_EVENT_MASK_ENTER_WINDOW | + XCB_EVENT_MASK_LEAVE_WINDOW | + XCB_EVENT_MASK_POINTER_MOTION, + XCB_GRAB_MODE_ASYNC, + XCB_GRAB_MODE_ASYNC, + XCB_NONE, XCB_NONE, + XCB_CURRENT_TIME), NULL)) +printf("could not grab pointer\n"); +#endif + + + + //xcb_grab_key(c, 0, root, XCB_BUTTON_MASK_ANY, 40, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); + /* 't' */ + pid_t pid; + if ((pid = vfork()) == 0) { + /* Child */ + /* TODO: what environment do we need to pass? */ + char *env[2]; + env[0] = "DISPLAY=:1"; + env[1] = NULL; + char *argv[3]; + argv[0] = "/usr/bin/xterm"; + argv[1] = NULL; + execve("/usr/bin/xterm", argv, env); + } + xcb_flush(c); -- 2.39.5