From: Michael Stapelberg Date: Wed, 11 Feb 2009 22:47:13 +0000 (+0100) Subject: Implement proof of concept for resizing cols/rows X-Git-Tag: 3.a~202 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=c3eefd20ab2ca9b3fbcc5a06af963415b76e37fd;p=i3%2Fi3 Implement proof of concept for resizing cols/rows --- diff --git a/mainx.c b/mainx.c index f44816dc..0aa76a2f 100644 --- a/mainx.c +++ b/mainx.c @@ -18,6 +18,7 @@ #include "xcb_event.h" #include "xcb_property.h" #include "xcb_keysyms.h" +#include "xcb_icccm.h" #include "data.h" #include "queue.h" @@ -29,6 +30,7 @@ Display *xkbdpy; TAILQ_HEAD(bindings_head, Binding) bindings; +xcb_event_handlers_t evenths; static const int TOP = 20; static const int LEFT = 5; @@ -593,7 +595,7 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child, /* We need to grab the mouse buttons for click to focus */ xcb_grab_button(conn, false, child, XCB_EVENT_MASK_BUTTON_PRESS, - XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, XCB_BUTTON_MASK_1, + XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, 1 /* left mouse button */, XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */); /* Focus the new window */ @@ -863,14 +865,14 @@ static int handleEvent(void *ignored, xcb_connection_t *c, xcb_generic_event_t * * Starts the given application with the given args. * */ -static void start_application(char *path, char *args) { +static void start_application(const char *path, const char *args) { pid_t pid; if ((pid = vfork()) == 0) { /* This is the child */ char *argv[2]; /* TODO: For now, we ignore args. Later on, they should be parsed correctly (like in the shell?) */ - argv[0] = path; + argv[0] = strdup(path); argv[1] = NULL; execve(path, argv, environment); /* not reached */ @@ -1054,12 +1056,115 @@ static int handle_button_press(void *ignored, xcb_connection_t *conn, xcb_button printf("button press!\n"); /* This was either a focus for a client’s parent (= titlebar)… */ Client *client = table_get(byChild, event->event); + if (client == NULL) + client = table_get(byParent, event->event); if (client == NULL) return 1; - printf("gots win %08x\n", client); + xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root; + xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data; + /* Set focus in any case */ set_focus(conn, client); + + /* Let’s see if this was on the borders (= resize). If not, we’re done */ + i3Font *font = load_font(conn, pattern); + printf("press button on x=%d, y=%d\n", event->event_x, event->event_y); + if (event->event_y <= (font->height + 2)) + return 1; + + printf("that was resize\n"); + + /* Open a new window, the resizebar. Grab the pointer and move the window around + as the user moves the pointer. */ + + + /* TODO: the whole logic is missing. this is just a proof of concept */ + xcb_window_t grabwin = xcb_generate_id(conn); + + uint32_t mask = 0; + uint32_t values[3]; + + xcb_create_window(conn, + 0, + grabwin, + root, + 0, /* x */ + 0, /* y */ + root_screen->width_in_pixels, /* width */ + root_screen->height_in_pixels, /* height */ + /* border_width */ 0, + XCB_WINDOW_CLASS_INPUT_ONLY, + root_screen->root_visual, + 0, + values); + + /* Map the window on the screen (= make it visible) */ + xcb_map_window(conn, grabwin); + + xcb_window_t helpwin = xcb_generate_id(conn); + + mask = XCB_CW_BACK_PIXEL; + values[0] = root_screen->white_pixel; + xcb_create_window(conn, root_screen->root_depth, helpwin, root, + event->root_x, + 0, + 5, + root_screen->height_in_pixels, + /* bordor */ 0, + XCB_WINDOW_CLASS_INPUT_OUTPUT, + root_screen->root_visual, + mask, + values); + + xcb_map_window(conn, helpwin); + xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, helpwin); + + xcb_grab_pointer(conn, false, root, XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, + XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, grabwin, XCB_NONE, XCB_CURRENT_TIME); + + xcb_flush(conn); + + xcb_generic_event_t *inside_event; + /* I’ve always wanted to have my own eventhandler… */ + while ((inside_event = xcb_wait_for_event(conn))) { + /* Same as get_event_handler in xcb */ + int nr = inside_event->response_type; + if (nr == 0) { + handleEvent(NULL, conn, inside_event); + continue; + } + assert(nr < 256); + nr &= XCB_EVENT_RESPONSE_TYPE_MASK; + assert(nr >= 2); + + /* Check if we need to escape this loop… */ + if (nr == XCB_BUTTON_RELEASE) + break; + + switch (nr) { + case XCB_MOTION_NOTIFY: + values[0] = ((xcb_motion_notify_event_t*)inside_event)->root_x; + xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_X, values); + xcb_flush(conn); + break; + case XCB_EXPOSE: + /* Use original handler */ + xcb_event_handle(&evenths, inside_event); + break; + default: + printf("Ignoring event of type %d\n", nr); + break; + } + printf("---\n"); + free(inside_event); + } + + xcb_ungrab_pointer(conn, XCB_CURRENT_TIME); + xcb_destroy_window(conn, helpwin); + xcb_destroy_window(conn, grabwin); + xcb_flush(conn); + return 1; } @@ -1123,6 +1228,8 @@ static int handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) { printf("window's name changed.\n"); Client *client = table_get(byChild, window); + if (client == NULL) + return 1; client->name_len = xcb_get_property_value_length(prop); client->name = malloc(client->name_len); @@ -1191,7 +1298,6 @@ int main(int argc, char *argv[], char *env[]) { init_table(); xcb_connection_t *c; - xcb_event_handlers_t evenths; xcb_property_handlers_t prophs; xcb_window_t root;