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Add libi3/load_font, use it everywhere

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…except for i3bar, which needs slightly more information about the font
This commit is contained in:
Michael Stapelberg
2011-10-23 22:37:11 +01:00
parent 6d01d37b03
commit a58018cf66
16 changed files with 137 additions and 203 deletions
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1
i3-input/i3-input.h
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@ -17,6 +17,5 @@ extern xcb_window_t root;
char *convert_ucs_to_utf8(char *input);
char *convert_utf8_to_ucs2(char *input, int *real_strlen);
xcb_window_t open_input_window(xcb_connection_t *conn, uint32_t width, uint32_t height);
int get_font_id(xcb_connection_t *conn, char *pattern, int *font_height);
#endif

21
i3-input/main.c
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@ -51,11 +51,12 @@ static xcb_gcontext_t pixmap_gc;
static char *glyphs_ucs[512];
static char *glyphs_utf8[512];
static int input_position;
static int font_height;
static i3Font font;
static char *prompt;
static int prompt_len;
static int limit;
xcb_window_t root;
xcb_connection_t *conn;
/*
* Concats the glyphs (either UCS-2 or UTF-8) to a single string, suitable for
@ -89,7 +90,7 @@ static int handle_expose(void *data, xcb_connection_t *conn, xcb_expose_event_t
printf("expose!\n");
/* re-draw the background */
xcb_rectangle_t border = {0, 0, 500, font_height + 8}, inner = {2, 2, 496, font_height + 8 - 4};
xcb_rectangle_t border = {0, 0, 500, font.height + 8}, inner = {2, 2, 496, font.height + 8 - 4};
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){ get_colorpixel("#FF0000") });
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &border);
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){ get_colorpixel("#000000") });
@ -107,10 +108,10 @@ static int handle_expose(void *data, xcb_connection_t *conn, xcb_expose_event_t
memcpy(full_text + (prompt_len * 2), con, input_position * 2);
}
xcb_image_text_16(conn, input_position + prompt_len, pixmap, pixmap_gc, 4 /* X */,
font_height + 2 /* Y = baseline of font */, (xcb_char2b_t*)full_text);
font.height + 2 /* Y = baseline of font */, (xcb_char2b_t*)full_text);
/* Copy the contents of the pixmap to the real window */
xcb_copy_area(conn, pixmap, win, pixmap_gc, 0, 0, 0, 0, /* */ 500, font_height + 8);
xcb_copy_area(conn, pixmap, win, pixmap_gc, 0, 0, 0, 0, /* */ 500, font.height + 8);
xcb_flush(conn);
free(con);
if (prompt != NULL)
@ -353,8 +354,8 @@ int main(int argc, char *argv[]) {
prompt = convert_utf8_to_ucs2(prompt, &prompt_len);
int screens;
xcb_connection_t *conn = xcb_connect(NULL, &screens);
if (xcb_connection_has_error(conn))
conn = xcb_connect(NULL, &screens);
if (!conn || xcb_connection_has_error(conn))
die("Cannot open display\n");
xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
@ -362,15 +363,15 @@ int main(int argc, char *argv[]) {
symbols = xcb_key_symbols_alloc(conn);
uint32_t font_id = get_font_id(conn, pattern, &font_height);
font = load_font(pattern, true);
/* Open an input window */
win = open_input_window(conn, 500, font_height + 8);
win = open_input_window(conn, 500, font.height + 8);
/* Create pixmap */
pixmap = xcb_generate_id(conn);
pixmap_gc = xcb_generate_id(conn);
xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, font_height + 8);
xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, font.height + 8);
xcb_create_gc(conn, pixmap_gc, pixmap, 0, 0);
/* Set input focus (we have override_redirect=1, so the wm will not do
@ -378,7 +379,7 @@ int main(int argc, char *argv[]) {
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, win, XCB_CURRENT_TIME);
/* Create graphics context */
xcb_change_gc(conn, pixmap_gc, XCB_GC_FONT, (uint32_t[]){ font_id });
xcb_change_gc(conn, pixmap_gc, XCB_GC_FONT, (uint32_t[]){ font.id });
/* Grab the keyboard to get all input */
xcb_flush(conn);

31
i3-input/xcb.c
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@ -71,34 +71,3 @@ xcb_window_t open_input_window(xcb_connection_t *conn, uint32_t width, uint32_t
return win;
}
/*
* Returns the ID of the font matching the given pattern and stores the height
* of the font (in pixels) in *font_height. die()s if no font matches.
*
*/
int get_font_id(xcb_connection_t *conn, char *pattern, int *font_height) {
xcb_void_cookie_t font_cookie;
xcb_list_fonts_with_info_cookie_t info_cookie;
/* Send all our requests first */
int result;
result = xcb_generate_id(conn);
font_cookie = xcb_open_font_checked(conn, result, strlen(pattern), pattern);
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
if (error != NULL) {
fprintf(stderr, "ERROR: Could not open font: %d\n", error->error_code);
exit(1);
}
/* Get information (height/name) for this font */
xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL);
if (reply == NULL)
die("Could not load font \"%s\"\n", pattern);
*font_height = reply->font_ascent + reply->font_descent;
return result;
}