i3-nagbar: Set button inner-width to the width of the label

Use predict_text_width to find the width of the label and then account
for right padding when calculating the width of the button.
This commit is contained in:
Tony Crisci 2013-10-07 12:06:28 -04:00 committed by Michael Stapelberg
parent 1c0554564a
commit 8fe17407ff

View File

@ -198,8 +198,12 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
4 + 4, 4 + 4, rect.width - 4 - 4);
/* render close button */
const char *close_button_label = "X";
int line_width = 4;
int w = 20;
/* set width to the width of the label */
int w = predict_text_width(i3string_from_utf8(close_button_label));
/* account for left/right padding, which seems to be set to 8px (total) below */
w += 8;
int y = rect.width;
uint32_t values[3];
values[0] = color_button_background;
@ -221,7 +225,8 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
values[0] = 1;
set_font_colors(pixmap_gc, color_text, color_button_background);
draw_text_ascii("X", pixmap, pixmap_gc, y - w - line_width + w / 2 - 4,
/* the x term here seems to set left/right padding */
draw_text_ascii(close_button_label, pixmap, pixmap_gc, y - w - line_width + w / 2 - 4,
4 + 4 - 1, rect.width - y + w + line_width - w / 2 + 4);
y -= w;
@ -230,8 +235,10 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
/* render custom buttons */
line_width = 1;
for (int c = 0; c < buttoncnt; c++) {
/* TODO: make w = text extents of the label */
w = 100;
/* set w to the width of the label */
w = predict_text_width(buttons[c].label);
/* account for left/right padding, which seems to be set to 12px (total) below */
w += 12;
y -= 30;
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){ color_button_background });
close = (xcb_rectangle_t){ y - w - (2 * line_width), 2, w + (2 * line_width), rect.height - 6 };
@ -252,6 +259,7 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
values[0] = color_text;
values[1] = color_button_background;
set_font_colors(pixmap_gc, color_text, color_button_background);
/* the x term seems to set left/right padding */
draw_text(buttons[c].label, pixmap, pixmap_gc,
y - w - line_width + 6, 4 + 3, rect.width - y + w + line_width - 6);