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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| #include "main.h" | ||
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| static TOOLTIP tooltip; | ||
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| #define TOOLTIP_WIDTH (SCALE * 12) | ||
| #define TOOLTIP_HEIGHT (SCALE * 12) | ||
| #define TOOLTIP_YOFFSET 12 | ||
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| static void calculate_pos_and_width(TOOLTIP *b, int *x, int *w) { | ||
| *x = b->x; | ||
| *w = b->width; | ||
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| // Increase width if needed, so that tooltip text fits. | ||
| if(maybe_i18nal_string_is_valid(b->tt_text)) { | ||
| STRING* s = maybe_i18nal_string_get(b->tt_text); | ||
| int needed_w = textwidth(s->str, s->length) + 4 * SCALE; | ||
| if(*w < needed_w) { | ||
| *w = needed_w; | ||
| } | ||
| } | ||
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| // Push away from the right border to fit. | ||
| if(*x + *w >= utox_window_width) { | ||
| *x -= *w; | ||
| } | ||
| } | ||
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| void tooltip_draw(void) | ||
| { | ||
| TOOLTIP *b = &tooltip; | ||
| if(!b->visible) { | ||
| return; | ||
| } | ||
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| // Ensure that font is set before calculating position and width. | ||
| setfont(FONT_TEXT); | ||
| setcolor(COLOR_TEXT); | ||
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| int x, w; | ||
| calculate_pos_and_width(b, &x, &w); | ||
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| drawrectw(x, b->y, w, b->height, C_YELLOW_LIGHT); | ||
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| STRING* s = maybe_i18nal_string_get(b->tt_text); | ||
| drawtext(x + SCALE * 2, b->y + SCALE * 2, s->str, s->length); | ||
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| framerect(x, b->y, x + w, b->y + b->height, C_YELLOW); | ||
| } | ||
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| _Bool tooltip_mmove(void) | ||
| { | ||
| TOOLTIP *b = &tooltip; | ||
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| b->can_show = 0; | ||
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| if(!b->visible) { | ||
| return 0; | ||
| } | ||
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| b->visible = 0; | ||
| return 1; | ||
| } | ||
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| _Bool tooltip_mdown(void) | ||
| { | ||
| TOOLTIP *b = &tooltip; | ||
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| b->can_show = 0; | ||
| b->mouse_down = 1; | ||
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| if(!b->visible) { | ||
| return 0; | ||
| } | ||
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| b->visible = 0; | ||
| return 1; | ||
| } | ||
| _Bool tooltip_mup(void) | ||
| { | ||
| TOOLTIP *b = &tooltip; | ||
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| b->can_show = 0; | ||
| b->mouse_down = 0; | ||
| return 0; | ||
| } | ||
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| void tooltip_show(void) | ||
| { | ||
| TOOLTIP *b = &tooltip; | ||
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| b->y = mouse.y + TOOLTIP_YOFFSET; | ||
| b->height = TOOLTIP_HEIGHT; | ||
| if(b->y + b->height >= utox_window_height) { | ||
| b->y -= (b->height + TOOLTIP_YOFFSET); | ||
| } | ||
| b->x = mouse.x; | ||
| b->width = TOOLTIP_WIDTH; | ||
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| b->visible = 1; | ||
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| // Only needed for Xlib to unblock XNextEvent | ||
| force_redraw(); | ||
| } | ||
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| // This is being called everytime the mouse is moving above a button | ||
| void tooltip_new(MAYBE_I18NAL_STRING* text) | ||
| { | ||
| TOOLTIP *b = &tooltip; | ||
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| b->can_show = 1; | ||
| b->tt_text = text; | ||
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| if(b->timer_running || b->visible || b->mouse_down) { | ||
| return; | ||
| } | ||
| thread(mouse_pos_check,NULL); | ||
| } | ||
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| void mouse_pos_check(void *UNUSED(args)) | ||
| { | ||
| TOOLTIP *b = &tooltip; | ||
| int old_x = 0, old_y = 0, tick = 0; | ||
| b->timer_running = 1; | ||
| while(1) { | ||
| if(mouse.x - old_x == 0 && mouse.y - old_y == 0) { | ||
| if(tick >= 5) { | ||
| // ~500ms of not moving, show tooltip | ||
| if(b->can_show && !b->mouse_down) { | ||
| tooltip_show(); | ||
| } | ||
| break; | ||
| } else { | ||
| tick++; | ||
| } | ||
| //debug("Mouse stopped. X: %d, Y: %d, OX: %d, OY: %d\n",mouse.x,mouse.y,old_x,old_y); | ||
| } else { | ||
| old_x = mouse.x; | ||
| old_y = mouse.y; | ||
| tick = 0; | ||
| } | ||
| yieldcpu(100); | ||
| } | ||
| tick = 0; | ||
| b->visible = 1; | ||
| b->timer_running = 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| typedef struct tooltip { | ||
| int x, y, width, height; | ||
| _Bool visible; | ||
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| _Bool timer_running; | ||
| _Bool can_show; | ||
| _Bool mouse_down; | ||
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| MAYBE_I18NAL_STRING* tt_text; | ||
| } TOOLTIP; | ||
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| void tooltip_draw(void); | ||
| _Bool tooltip_mmove(void); | ||
| _Bool tooltip_mdown(void); | ||
| _Bool tooltip_mup(void); | ||
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| void tooltip_show(void); | ||
| void tooltip_new(MAYBE_I18NAL_STRING* text); | ||
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| void mouse_pos_check(void *UNUSED(args)); |
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