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Refactor render_background to return the layout width

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Rather than calculating the width of the subsurface we are drawing on
everywhere simply add a return pointer to render_background.

This commit also fixes a bug where the text and icon where drawn more to
the right than usual (according to frame_width) which was caused because
we added the frame_width to the draw position while we are drawing in a
subsurface that already accounts for it.
This commit is contained in:
Nikos Tsipinakis 2018-04-22 11:22:03 +03:00
parent 7043af2e64
commit 21948122e0
1 changed files with 16 additions and 9 deletions
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25
src/draw.c
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@ -391,7 +391,7 @@ static int layout_get_height(colored_layout *cl)
return MAX(h, h_icon);
}
static cairo_surface_t *render_background(cairo_surface_t *srf, colored_layout *cl, colored_layout *cl_next, int y, int width, int height, bool first, bool last)
static cairo_surface_t *render_background(cairo_surface_t *srf, colored_layout *cl, colored_layout *cl_next, int y, int width, int height, bool first, bool last, int *ret_width)
{
int x = 0;
@ -411,7 +411,9 @@ static cairo_surface_t *render_background(cairo_surface_t *srf, colored_layout *
y += settings.frame_width;
height -= settings.frame_width;
}
width -= 2 * settings.frame_width;
if (last)
height -= settings.frame_width;
else
@ -433,6 +435,10 @@ static cairo_surface_t *render_background(cairo_surface_t *srf, colored_layout *
}
cairo_destroy(c);
if (ret_width)
*ret_width = width;
return cairo_surface_create_for_rectangle(srf, x, y, width, height);
}
@ -443,11 +449,12 @@ static void render_content(cairo_t *c, colored_layout *cl, int width)
pango_layout_get_pixel_size(cl->l, NULL, &h_text);
if (cl->icon && settings.icon_position == icons_left) {
cairo_move_to(c, settings.frame_width + cairo_image_surface_get_width(cl->icon) + 2 * settings.h_padding, settings.padding + h/2 - h_text/2);
cairo_move_to(c, cairo_image_surface_get_width(cl->icon) + 2 * settings.h_padding,
settings.padding + h/2 - h_text/2);
} else if (cl->icon && settings.icon_position == icons_right) {
cairo_move_to(c, settings.frame_width + settings.h_padding, settings.padding + h/2 - h_text/2);
cairo_move_to(c, settings.h_padding, settings.padding + h/2 - h_text/2);
} else {
cairo_move_to(c, settings.frame_width + settings.h_padding, settings.padding);
cairo_move_to(c, settings.h_padding, settings.padding);
}
cairo_set_source_rgb(c, cl->fg.r, cl->fg.g, cl->fg.b);
@ -462,10 +469,9 @@ static void render_content(cairo_t *c, colored_layout *cl, int width)
image_y = settings.padding + h/2 - image_height/2;
if (settings.icon_position == icons_left) {
image_x = settings.frame_width + settings.h_padding;
image_x = settings.h_padding;
} else {
int bg_width = width - 2 * settings.frame_width;
image_x = bg_width - settings.h_padding - image_width;
image_x = width - settings.h_padding - image_width;
}
cairo_set_source_surface(c, cl->icon, image_x, image_y);
@ -482,12 +488,13 @@ static struct dimensions layout_render(cairo_surface_t *srf, colored_layout *cl,
int h_text = 0;
pango_layout_get_pixel_size(cl->l, NULL, &h_text);
int bg_width = 0;
int bg_height = MAX(settings.notification_height, (2 * settings.padding) + cl_h);
cairo_surface_t *content = render_background(srf, cl, cl_next, dim.y, dim.w, bg_height, first, last);
cairo_surface_t *content = render_background(srf, cl, cl_next, dim.y, dim.w, bg_height, first, last, &bg_width);
cairo_t *c = cairo_create(content);
render_content(c, cl, dim.w);
render_content(c, cl, bg_width);
/* adding frame */
if (first)