68 lines
2.7 KiB
C
68 lines
2.7 KiB
C
/* vim: tabstop=4 shiftwidth=4 noexpandtab
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* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2018 K. Lange
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*
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* ttk button widget
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*/
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#include <toaru/graphics.h>
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#include <toaru/button.h>
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#include <toaru/text.h>
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#include <toaru/icon_cache.h>
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static struct TT_Font * _tt_font_thin = NULL;
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void ttk_button_draw(gfx_context_t * ctx, struct TTKButton * button) {
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if (button->width == 0) {
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return;
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}
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int hilight = button->hilight & 0xFF;
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int disabled = button->hilight & 0x100;
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/* Dark edge */
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if (hilight < 3) {
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struct gradient_definition edge = {button->height, button->y, rgb(166,166,166), rgb(136,136,136)};
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draw_rounded_rectangle_pattern(ctx, button->x, button->y, button->width, button->height, 4, gfx_vertical_gradient_pattern, &edge);
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}
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/* Sheen */
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if (hilight < 2) {
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draw_rounded_rectangle(ctx, button->x + 1, button->y + 1, button->width - 2, button->height - 2, 3, rgb(238,238,238));
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/* Button face - this should normally be a gradient */
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if (hilight == 1) {
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struct gradient_definition face = {button->height-3, button->y + 2, rgb(240,240,240), rgb(230,230,230)};
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draw_rounded_rectangle_pattern(ctx, button->x + 2, button->y + 2, button->width - 4, button->height - 3, 2, gfx_vertical_gradient_pattern, &face);
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} else {
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struct gradient_definition face = {button->height-3, button->y + 2, rgb(219,219,219), rgb(204,204,204)};
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draw_rounded_rectangle_pattern(ctx, button->x + 2, button->y + 2, button->width - 4, button->height - 3, 2, gfx_vertical_gradient_pattern, &face);
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}
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} else if (hilight == 2) {
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struct gradient_definition face = {button->height-2, button->y + 1, rgb(180,180,180), rgb(160,160,160)};
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draw_rounded_rectangle_pattern(ctx, button->x + 1, button->y + 1, button->width - 2, button->height - 2, 3, gfx_vertical_gradient_pattern, &face);
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}
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if (button->title[0] != '\033') {
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if (!_tt_font_thin) {
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_tt_font_thin = tt_font_from_file("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf");
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}
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tt_set_size(_tt_font_thin, 13);
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int label_width = tt_string_width(_tt_font_thin, button->title);
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int centered = (button->width - label_width) / 2;
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int centered_y = (button->height - 16) / 2;
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tt_draw_string(ctx, _tt_font_thin, button->x + centered + (hilight == 2), button->y + centered_y + (hilight == 2) + 13, button->title, disabled ? rgb(120,120,120) : rgb(0,0,0));
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} else {
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sprite_t * icon = icon_get_16(button->title+1);
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int centered = button->x + (button->width - icon->width) / 2 + (hilight == 2);
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int centered_y = button->y + (button->height - icon->height) / 2 + (hilight == 2);
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if (disabled) {
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draw_sprite_alpha(ctx, icon, centered, centered_y, 0.5);
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} else {
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draw_sprite(ctx, icon, centered, centered_y);
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}
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}
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}
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