1 #include "button.h"
2
3 #include "draw.h"
4 #include "tooltip.h"
5
6 #include "../macros.h"
7 #include "../theme.h"
8 #include "../ui.h"
9
calculate_pos_and_width(BUTTON * b,int * x,int * w)10 static void calculate_pos_and_width(BUTTON *b, int *x, int *w) {
11 int real_w = *w;
12
13 // Increase width if needed, so that button text fits.
14 if (maybe_i18nal_string_is_valid(&b->button_text)) {
15 STRING *str = maybe_i18nal_string_get(&b->button_text);
16
17 int min_w = textwidth(str->str, str->length);
18
19 if (*w < min_w) {
20 *w = min_w + SCALE(12); // 12 seems like a perfectly fine number,
21 // eventually we should use logic here.
22 }
23 }
24
25 // Push away from the right border to fit,
26 // if our panel is right-adjusted.
27 if (b->panel.x < 0) {
28 *x -= *w - real_w;
29 }
30 }
31
button_draw(BUTTON * b,int x,int y,int width,int height)32 void button_draw(BUTTON *b, int x, int y, int width, int height) {
33 // If `update` function is defined, call it on each draw
34 if (b->update) {
35 b->update(b);
36 }
37
38 // Button is hidden
39 if (b->nodraw) {
40 return;
41 }
42
43 // Ensure that font is set before calculating position and width.
44 setfont(FONT_SELF_NAME);
45
46 // Button contents color
47 uint32_t color_text = b->mousedown ? b->ct2 : (b->mouseover ? b->ct2 : b->ct1);
48 setcolor(color_text);
49
50 int real_w = width;
51 calculate_pos_and_width(b, &x, &width);
52
53 // Button background color
54 uint32_t color_bg = b->mousedown ? b->c3 : (b->mouseover ? b->c2 : b->c1);
55
56 if (b->bm_fill) {
57 drawalpha(b->bm_fill, x, y, real_w, height, color_bg);
58 } else {
59 draw_rect_fill(x, y, real_w, height, b->disabled ? b->cd : color_bg);
60 }
61
62 if (b->bm_icon) {
63 const int icon_x = real_w / 2 - SCALE(b->icon_w) / 2;
64 const int icon_y = height / 2 - SCALE(b->icon_h) / 2;
65 drawalpha(b->bm_icon, x + icon_x, y + icon_y, SCALE(b->icon_w), SCALE(b->icon_h), color_text);
66 }
67
68 if (maybe_i18nal_string_is_valid(&b->button_text)) {
69 if (b->bm_fill) {
70 while (width > real_w) {
71 // The text didn't fit into the original width.
72 // Fill the rest of the new width with the image
73 // and hope for the best.
74 drawalpha(b->bm_fill, x + width - real_w, y, real_w, height, color_bg);
75 width -= real_w / 2 + 1;
76 }
77 }
78 STRING *s = maybe_i18nal_string_get(&b->button_text);
79 drawtext(x + SCALE(6), y + SCALE(2), s->str, s->length);
80 }
81 }
82
button_mmove(BUTTON * b,int UNUSED (x),int UNUSED (y),int width,int height,int mx,int my,int UNUSED (dx),int UNUSED (dy))83 bool button_mmove(BUTTON *b, int UNUSED(x), int UNUSED(y), int width, int height, int mx, int my, int UNUSED(dx),
84 int UNUSED(dy)) {
85 // Ensure that font is set before calculating position and width.
86 setfont(FONT_SELF_NAME);
87
88 int real_x = 0, real_w = width;
89 calculate_pos_and_width(b, &real_x, &real_w);
90
91 bool mouseover = inrect(mx, my, real_x, 0, real_w, height);
92 if (mouseover) {
93 if (!b->disabled) {
94 cursor = CURSOR_HAND;
95 }
96
97 if (maybe_i18nal_string_is_valid(&b->tooltip_text)) {
98 tooltip_new(&b->tooltip_text);
99 }
100 }
101 if (mouseover != b->mouseover) {
102 b->mouseover = mouseover;
103 return 1;
104 }
105
106 return 0;
107 }
108
button_mdown(BUTTON * b)109 bool button_mdown(BUTTON *b) {
110 if (b->mouseover) {
111 if (!b->mousedown && b->on_mdn) {
112 b->on_mdn();
113 }
114
115 b->mousedown = true;
116 return 1;
117 }
118
119 return 0;
120 }
121
button_mup(BUTTON * b)122 bool button_mup(BUTTON *b) {
123 if (b->mousedown) {
124 if (b->mouseover && b->on_mup) {
125 b->on_mup();
126 }
127
128 b->mousedown = 0;
129 return 1;
130 }
131
132 return 0;
133 }
134
button_mright(BUTTON * b)135 bool button_mright(BUTTON *b) {
136 if (b->mouseover && b->onright) {
137 b->onright();
138 return 1;
139 }
140
141 return 0;
142 }
143
button_mwheel(BUTTON * UNUSED (b),int UNUSED (height),double UNUSED (d),bool UNUSED (smooth))144 bool button_mwheel(BUTTON *UNUSED(b), int UNUSED(height), double UNUSED(d), bool UNUSED(smooth)) { return 0; }
145
button_mleave(BUTTON * b)146 bool button_mleave(BUTTON *b) {
147 if (b->mouseover) {
148 b->mouseover = 0;
149 return 1;
150 }
151
152 return 0;
153 }
154
155
156 // Logic update functions
157 // TODO should these live here?
158 // TODO delete button_setcolor_* and move this setting and logic to the struct
159 /* Quick color change functions */
button_setcolors_success(BUTTON * b)160 void button_setcolors_success(BUTTON *b) {
161 b->c1 = COLOR_BTN_SUCCESS_BKGRND;
162 b->c2 = COLOR_BTN_SUCCESS_BKGRND_HOVER;
163 b->c3 = COLOR_BTN_SUCCESS_BKGRND_HOVER;
164 b->ct1 = COLOR_BTN_SUCCESS_TEXT;
165 b->ct2 = COLOR_BTN_SUCCESS_TEXT_HOVER;
166 }
167
button_setcolors_danger(BUTTON * b)168 void button_setcolors_danger(BUTTON *b) {
169 b->c1 = COLOR_BTN_DANGER_BACKGROUND;
170 b->c2 = COLOR_BTN_DANGER_BKGRND_HOVER;
171 b->c3 = COLOR_BTN_DANGER_BKGRND_HOVER;
172 b->ct1 = COLOR_BTN_DANGER_TEXT;
173 b->ct2 = COLOR_BTN_DANGER_TEXT_HOVER;
174 }
175
button_setcolors_warning(BUTTON * b)176 void button_setcolors_warning(BUTTON *b) {
177 b->c1 = COLOR_BTN_WARNING_BKGRND;
178 b->c2 = COLOR_BTN_WARNING_BKGRND_HOVER;
179 b->c3 = COLOR_BTN_WARNING_BKGRND_HOVER;
180 b->ct1 = COLOR_BTN_WARNING_TEXT;
181 b->ct2 = COLOR_BTN_WARNING_TEXT_HOVER;
182 }
183
button_setcolors_disabled(BUTTON * b)184 void button_setcolors_disabled(BUTTON *b) {
185 b->c1 = COLOR_BTN_DISABLED_BKGRND;
186 b->c2 = COLOR_BTN_DISABLED_BKGRND;
187 b->c3 = COLOR_BTN_DISABLED_BKGRND;
188 b->ct1 = COLOR_BTN_DISABLED_TEXT;
189 b->ct2 = COLOR_BTN_DISABLED_TEXT;
190 }
191