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Implement an internal bar which displays the workspaces

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Michael Stapelberg 2009-03-04 12:09:43 +01:00
parent 3d774ba021
commit 05747c4a1c
5 changed files with 120 additions and 13 deletions
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4
include/data.h
View File

@ -293,6 +293,10 @@ struct Screen {
/* x, y, width, height */
Rect rect;
/* The bar window */
xcb_window_t bar;
xcb_gcontext_t bargc;
TAILQ_ENTRY(Screen) screens;
};

2
include/xcb.h
View File

@ -32,5 +32,7 @@ xcb_window_t create_window(xcb_connection_t *conn, Rect r, uint16_t window_class
void xcb_change_gc_single(xcb_connection_t *conn, xcb_gcontext_t gc, uint32_t mask, uint32_t value);
void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext_t gc,
uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t to_x, uint32_t to_y);
void xcb_draw_rect(xcb_connection_t *connection, xcb_drawable_t drawable, xcb_gcontext_t gc,
uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t width, uint32_t height);
#endif

66
src/layout.c
View File

@ -320,12 +320,12 @@ void render_container(xcb_connection_t *connection, Container *container) {
}
}
static void render_bars(xcb_connection_t *connection, Workspace *r_ws, int width, int height) {
static void render_bars(xcb_connection_t *connection, Workspace *r_ws, int width, int *height) {
Client *client;
SLIST_FOREACH(client, &(r_ws->dock_clients), dock_clients) {
if (client->force_reconfigure |
HAS_CHANGED(old_value_1, client->rect.x, 0) |
HAS_CHANGED(old_value_2, client->rect.y, height))
HAS_CHANGED(old_value_2, client->rect.y, *height))
reposition_client(connection, client);
if (client->force_reconfigure |
@ -334,12 +334,66 @@ static void render_bars(xcb_connection_t *connection, Workspace *r_ws, int width
resize_client(connection, client);
client->force_reconfigure = false;
height += client->desired_height;
*height += client->desired_height;
}
}
static void render_internal_bar(xcb_connection_t *connection, Workspace *r_ws, int width, int height) {
printf("Rendering internal bar\n");
i3Font *font = load_font(connection, config.font);
i3Screen *screen = r_ws->screen;
enum { SET_NORMAL = 0, SET_FOCUSED = 1 };
uint32_t background_color[2],
text_color[2],
border_color[2],
black;
char label[3];
black = get_colorpixel(connection, NULL, screen->bar, "#000000");
background_color[SET_NORMAL] = get_colorpixel(connection, NULL, screen->bar, "#222222");
text_color[SET_NORMAL] = get_colorpixel(connection, NULL, screen->bar, "#888888");
border_color[SET_NORMAL] = get_colorpixel(connection, NULL, screen->bar, "#333333");
background_color[SET_FOCUSED] = get_colorpixel(connection, NULL, screen->bar, "#285577");
text_color[SET_FOCUSED] = get_colorpixel(connection, NULL, screen->bar, "#ffffff");
border_color[SET_FOCUSED] = get_colorpixel(connection, NULL, screen->bar, "#4c7899");
/* Fill the whole bar in black */
xcb_change_gc_single(connection, screen->bargc, XCB_GC_FOREGROUND, black);
xcb_rectangle_t rect = {0, 0, width, height};
xcb_poly_fill_rectangle(connection, screen->bar, screen->bargc, 1, &rect);
/* Set font */
xcb_change_gc_single(connection, screen->bargc, XCB_GC_FONT, font->id);
int drawn = 0;
for (int c = 0; c < 10; c++) {
if (workspaces[c].screen == screen) {
int set = (screen->current_workspace == c ? SET_FOCUSED : SET_NORMAL);
xcb_draw_rect(connection, screen->bar, screen->bargc, border_color[set],
drawn * height, 1, height - 2, height - 2);
xcb_draw_rect(connection, screen->bar, screen->bargc, background_color[set],
drawn * height + 1, 2, height - 4, height - 4);
snprintf(label, sizeof(label), "%d", c+1);
xcb_change_gc_single(connection, screen->bargc, XCB_GC_FOREGROUND, text_color[set]);
xcb_change_gc_single(connection, screen->bargc, XCB_GC_BACKGROUND, background_color[set]);
xcb_void_cookie_t text_cookie = xcb_image_text_8_checked(connection, strlen(label), screen->bar,
screen->bargc, drawn * height + 5 /* X */,
font->height + 1 /* Y = baseline of font */, label);
check_error(connection, text_cookie, "Could not draw workspace title");
drawn++;
}
}
printf("done rendering internal\n");
}
void render_layout(xcb_connection_t *connection) {
i3Screen *screen;
i3Font *font = load_font(connection, config.font);
TAILQ_FOREACH(screen, virtual_screens, screens) {
/* r_ws (rendering workspace) is just a shortcut to the Workspace being currently rendered */
@ -358,6 +412,9 @@ void render_layout(xcb_connection_t *connection) {
SLIST_FOREACH(client, &(r_ws->dock_clients), dock_clients)
height -= client->desired_height;
/* Space for the internal bar */
height -= (font->height + 6);
printf("got %d rows and %d cols\n", r_ws->rows, r_ws->cols);
int xoffset[r_ws->rows];
@ -399,7 +456,8 @@ void render_layout(xcb_connection_t *connection) {
printf("==========\n");
}
render_bars(connection, r_ws, width, height);
render_bars(connection, r_ws, width, &height);
render_internal_bar(connection, r_ws, width, 18);
}
xcb_flush(connection);

16
src/xcb.c
View File

@ -76,6 +76,11 @@ uint32_t get_colorpixel(xcb_connection_t *conn, Client *client, xcb_window_t win
return pixel;
}
/*
* Convenience wrapper around xcb_create_window which takes care of depth, generating an ID and checking
* for errors.
*
*/
xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_class, uint32_t mask, uint32_t *values) {
xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
xcb_window_t result = xcb_generate_id(conn);
@ -120,3 +125,14 @@ void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext
xcb_point_t points[] = {{x, y}, {to_x, to_y}};
xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, drawable, gc, 2, points);
}
/*
* Draws a rectangle from x,y with width,height using the given color
*
*/
void xcb_draw_rect(xcb_connection_t *connection, xcb_drawable_t drawable, xcb_gcontext_t gc,
uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
xcb_change_gc_single(connection, gc, XCB_GC_FOREGROUND, colorpixel);
xcb_rectangle_t rect = {x, y, width, height};
xcb_poly_fill_rectangle(connection, drawable, gc, 1, &rect);
}

45
src/xinerama.c
View File

@ -23,6 +23,9 @@
#include "util.h"
#include "xinerama.h"
#include "layout.h"
#include "xcb.h"
#include "font.h"
#include "config.h"
/* This TAILQ of i3Screens stores the virtual screens, used for handling overlapping screens
* (xrandr --same-as) */
@ -125,6 +128,29 @@ static void query_screens(xcb_connection_t *connection, struct screens_head *scr
free(reply);
}
static void initialize_screen(xcb_connection_t *connection, i3Screen *screen, Workspace *workspace) {
i3Font *font = load_font(connection, config.font);
workspace->screen = screen;
screen->current_workspace = workspace->num;
/* Create a bar for each screen */
Rect bar_rect = {screen->rect.x,
screen->rect.height - (font->height + 6),
screen->rect.x + screen->rect.width,
font->height + 6};
uint32_t mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
uint32_t values[] = {1, XCB_EVENT_MASK_EXPOSURE};
screen->bar = create_window(connection, bar_rect, XCB_WINDOW_CLASS_INPUT_OUTPUT, mask, values);
screen->bargc = xcb_generate_id(connection);
xcb_create_gc(connection, screen->bargc, screen->bar, 0, 0);
/* Copy dimensions */
memcpy(&(workspace->rect), &(screen->rect), sizeof(Rect));
printf("that is virtual screen at %d x %d with %d x %d\n",
screen->rect.x, screen->rect.y, screen->rect.width, screen->rect.height);
}
/*
* We have just established a connection to the X server and need the initial Xinerama
* information to setup workspaces for each screen.
@ -153,11 +179,8 @@ void initialize_xinerama(xcb_connection_t *connection) {
/* Just go through each workspace and associate as many screens as we can. */
TAILQ_FOREACH(s, virtual_screens, screens) {
s->num = num_screens;
s->current_workspace = num_screens;
workspaces[num_screens].screen = s;
memcpy(&(workspaces[num_screens++].rect), &(s->rect), sizeof(Rect));
printf("that is virtual screen at %d x %d with %d x %d\n",
s->rect.x, s->rect.y, s->rect.width, s->rect.height);
initialize_screen(connection, s, &(workspaces[num_screens]));
num_screens++;
}
}
@ -198,6 +221,10 @@ void xinerama_requery_screens(xcb_connection_t *connection) {
if (screen->current_workspace == -1)
screen->current_workspace = c;
/* Re-use the old bar window */
screen->bar = workspaces[c].screen->bar;
screen->bargc = workspaces[c].screen->bargc;
/* Update the dimensions */
memcpy(&(workspaces[c].rect), &(screen->rect), sizeof(Rect));
workspaces[c].screen = screen;
@ -207,10 +234,7 @@ void xinerama_requery_screens(xcb_connection_t *connection) {
for (int c = 0; c < 10; c++)
if (workspaces[c].screen == NULL) {
printf("fix: initializing new workspace, setting num to %d\n", c);
workspaces[c].screen = screen;
screen->current_workspace = c;
/* Copy the dimensions from the virtual screen */
memcpy(&(workspaces[c].rect), &(screen->rect), sizeof(Rect));
initialize_screen(connection, screen, &(workspaces[c]));
break;
}
}
@ -221,6 +245,9 @@ void xinerama_requery_screens(xcb_connection_t *connection) {
for (int c = 0; c < 10; c++)
if ((workspaces[c].screen != NULL) &&
(workspaces[c].screen->num >= num_screens)) {
printf("Closing bar window\n");
xcb_destroy_window(connection, workspaces[c].screen->bar);
printf("Workspace %d's screen out of bounds, assigning to first screen\n", c+1);
workspaces[c].screen = first;
memcpy(&(workspaces[c].rect), &(first->rect), sizeof(Rect));