First approachments in direction of table-based layout
Michael Stapelberg
parent
023ec870a2
commit
efb8c11b7f
5
data.h
5
data.h
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@ -2,6 +2,7 @@
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* This file defines all data structures used by i3
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*
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*/
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#include "queue.h"
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/*
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* Defines a position in the table
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@ -36,4 +37,8 @@ typedef struct Client {
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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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xcb_window_t child;
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/* The following entry provides the necessary list pointers to use Client with LIST_* macros */
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LIST_ENTRY(Client) clients;
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} Client;
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156
mainx.c
156
mainx.c
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@ -12,20 +12,32 @@
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#include "xcb_keysyms.h"
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#include "data.h"
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#include "queue.h"
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Font myfont;
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static const int TOP = 20;
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static const int LEFT = 5;
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static const int BOTTOM = 5;
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static const int RIGHT = 5;
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/* hm, xcb_wm wants us to implement this. */
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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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xcb_window_t root_win;
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/* We have a list of Clients, called all_clients */
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LIST_HEAD(all_clients_head, Client) all_clients;
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/* _the_ table. Stores all clients. */
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Client *table[10][10];
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int current_col = 0;
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int current_row = 0;
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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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"Success",
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@ -278,32 +290,15 @@ void manage_window(xcb_property_handlers_t *prophs, xcb_connection_t *c, xcb_win
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}
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static int addClientWindow(xcb_window_t child, xcb_window_t parent, xcb_gcontext_t titlegc)
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{
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int success;
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client_window_t *record = malloc(sizeof(client_window_t));
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assert(record);
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record->child = child;
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record->parent = parent;
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record->name_len = 0;
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record->name = 0;
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record->titlegc = titlegc;
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success = table_put(byParent, parent, record) &&
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table_put(byChild, child, record);
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assert(success);
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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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uint32_t get_colorpixel(xcb_connection_t *conn, xcb_window_t window, 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_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, xcb_alloc_color(conn, colormapId, r, g, b), NULL);
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if (!reply) {
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@ -333,16 +328,39 @@ void decorate_window(xcb_connection_t *conn, Client *client) {
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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[1] = get_colorpixel(conn, client->window, 65535, 0, 0);
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else values[1] = get_colorpixel(conn, client->window, 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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//char *label = "i3 rocks :>";
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char *label;
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asprintf(&label, "gots win %p", client->window);
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xcb_void_cookie_t textCookie = xcb_image_text_8_checked (conn, strlen (label), client->window, client->titlegc, 2, 15, label );
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}
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void render_layout(xcb_connection_t *conn) {
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int cols, rows;
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int values[4];
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for (rows = 0; rows < 10; rows++) {
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for (cols = 0; cols < 10; cols++) {
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if (table[cols][rows] != NULL) {
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Client *current = table[cols][rows];
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/* TODO; just update if necessary */
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values[0] = cols * 200;
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values[1] = rows * 200;
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values[2] = 200;
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values[3] = 200;
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xcb_configure_window(conn, current->window, XCB_CONFIG_WINDOW_X |
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XCB_CONFIG_WINDOW_Y |
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XCB_CONFIG_WINDOW_WIDTH |
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XCB_CONFIG_WINDOW_HEIGHT , values);
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}
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}
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}
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}
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/*
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@ -353,12 +371,25 @@ 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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Client *new = malloc(sizeof(Client));
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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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myc.window = xcb_generate_id(conn);
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/* Insert into the list of all clients */
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LIST_INSERT_HEAD(&all_clients, new, clients);
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/* Insert into the table */
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if (table[current_col][current_row] == NULL)
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table[current_col][current_row] = new;
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else {
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current_row++;
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table[current_col][current_row] = new;
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}
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new->window = xcb_generate_id(conn);
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new->child = child;
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/* TODO: what do these mean? */
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mask |= XCB_CW_BACK_PIXEL;
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@ -371,12 +402,12 @@ 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, myc.window);
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printf("Reparenting 0x%08x under 0x%08x.\n", child, new->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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myc.window,
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new->window,
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root,
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x,
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y,
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@ -390,22 +421,22 @@ 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, myc.window);
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xcb_map_window(conn, new->window);
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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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new->titlegc = xcb_generate_id(conn);
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xcb_create_gc(conn, new->titlegc, new->window, 0, 0);
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/* Draw decorations */
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decorate_window(conn, &myc);
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decorate_window(conn, new);
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/* add the title context as a child for the window */
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/* TODO: replace this, it's internal */
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addClientWindow(child, myc.window, myc.titlegc);
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/* Put our data structure (Client) into the table */
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table_put(byParent, new->window, new);
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table_put(byChild, child, new);
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/* Moves the original window into the new frame we've created for it */
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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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xcb_reparent_window(conn, child, new->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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@ -413,27 +444,7 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child,
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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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xcb_set_input_focus(conn, XCB_INPUT_FOCUS_NONE, new->window, XCB_CURRENT_TIME);
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#if 0
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@ -458,6 +469,7 @@ xcb_set_input_focus(conn, XCB_INPUT_FOCUS_NONE, myc.window, XCB_CURRENT_TIME);
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&myc.window);
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#endif
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render_layout(conn);
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xcb_flush(conn);
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}
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@ -537,7 +549,7 @@ static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_generic_e
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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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//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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@ -553,22 +565,25 @@ static int handle_motion(void *ignored, xcb_connection_t *conn, xcb_generic_even
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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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//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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static void redrawWindow(xcb_connection_t *c, Client *client)
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{
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#if 0
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printf("redrawing window.\n");
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xcb_drawable_t d = { client->parent };
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xcb_drawable_t d = { client->window };
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if(!client->name_len)
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return;
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xcb_clear_area(c, 0, d, 0, 0, 0, 0);
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xcb_image_text_8(c, client->name_len, d, client->titlegc,
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LEFT - 1, TOP - 4, client->name);
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xcb_flush(c);
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#endif
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decorate_window(c, client);
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}
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int handle_map_notify_event(void *prophs, xcb_connection_t *c, xcb_map_notify_event_t *e)
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@ -582,7 +597,7 @@ int handle_map_notify_event(void *prophs, xcb_connection_t *c, xcb_map_notify_ev
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int handle_unmap_notify_event(void *data, xcb_connection_t *c, xcb_unmap_notify_event_t *e)
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{
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client_window_t *client = table_remove(byChild, e->event);
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Client *client = table_remove(byChild, e->event);
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xcb_window_t root;
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printf("UnmapNotify for 0x%08x (received from 0x%08x): ", e->window, e->event);
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if(!client)
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@ -592,11 +607,11 @@ int handle_unmap_notify_event(void *data, xcb_connection_t *c, xcb_unmap_notify_
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}
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root = xcb_setup_roots_iterator(xcb_get_setup(c)).data->root;
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printf("child of 0x%08x.\n", client->parent);
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printf("child of 0x%08x.\n", client->window);
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xcb_reparent_window(c, client->child, root, 0, 0);
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xcb_destroy_window(c, client->parent);
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xcb_destroy_window(c, client->window);
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xcb_flush(c);
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table_remove(byParent, client->parent);
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table_remove(byParent, client->window);
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free(client);
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return 1;
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}
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@ -606,7 +621,7 @@ int handle_unmap_notify_event(void *data, xcb_connection_t *c, xcb_unmap_notify_
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static int handleExposeEvent(void *data, xcb_connection_t *c, xcb_expose_event_t *e)
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{
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printf("exposeevent\n");
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client_window_t *client = table_get(byParent, e->window);
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Client *client = table_get(byParent, e->window);
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if(!client || e->count != 0)
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return 1;
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redrawWindow(c, client);
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@ -643,6 +658,12 @@ void manage_existing_windows(xcb_connection_t *c, xcb_property_handlers_t *proph
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}
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int main() {
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LIST_INIT(&all_clients);
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int i, j;
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for (i = 0; i < 10; i++)
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for (j = 0; j < 10; j++)
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table[i][j] = NULL;
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xcb_connection_t *c;
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xcb_event_handlers_t evenths;
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xcb_property_handlers_t prophs;
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@ -676,7 +697,6 @@ myfont.height = reply->font_ascent + reply->font_descent;
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xcb_event_handlers_init(c, &evenths);
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int i;
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for(i = 2; i < 128; ++i)
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xcb_event_set_handler(&evenths, i, handleEvent, 0);
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