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zephr/ui: dynamically determine color picker buttons' text color and crosshairs selection's color

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Illusion
2024-01-09 01:13:01 +02:00
parent 080f2f1aa4
commit 12626a513e
7 changed files with 67 additions and 19 deletions
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ui.c
+31 -10
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@@ -630,7 +630,7 @@ f32 draw_color_picker_slider_with_location(const char *file, int line, UIConstra
#define draw_color_picker_canvas(constraints, slider_percentage, align) draw_color_picker_canvas_with_location(__FILE__, __LINE__, constraints, slider_percentage, align)
Vec2f draw_color_picker_canvas_with_location(const char* file, int line, UIConstraints *constraints, f32 slider_percentage, Alignment align) {
Color draw_color_picker_canvas_with_location(const char* file, int line, UIConstraints *constraints, f32 slider_percentage, Alignment align) {
static bool dragging = false;
static Vec2f canvas_pos = {0};
@@ -703,6 +703,8 @@ Vec2f draw_color_picker_canvas_with_location(const char* file, int line, UIConst
glBindVertexArray(0);
Color selected_color = hsv2rgb(slider_percentage * 360.f, canvas_pos.x, 1.0f - canvas_pos.y);
// draw the selection
UIConstraints triangle_con = default_constraints;
set_parent_constraint(&triangle_con, constraints);
@@ -711,10 +713,10 @@ Vec2f draw_color_picker_canvas_with_location(const char* file, int line, UIConst
set_width_constraint(&triangle_con, 14, UI_CONSTRAINT_RELATIVE_PIXELS);
set_height_constraint(&triangle_con, 0.5f, UI_CONSTRAINT_ASPECT_RATIO);
triangle_con.x -= triangle_con.height;
triangle_con.y -= triangle_con.height * 2;
triangle_con.y -= triangle_con.height + triangle_con.height / 2 + triangle_con.width / 2;
set_rotation_constraint(&triangle_con, 0);
UiStyle tri_style = {
.bg_color = COLOR_WHITE,
.bg_color = determine_color_contrast(&selected_color),
.border_radius = 0,
.align = ALIGN_TOP_LEFT,
};
@@ -735,7 +737,7 @@ Vec2f draw_color_picker_canvas_with_location(const char* file, int line, UIConst
set_rotation_constraint(&triangle_con, 270);
draw_triangle(&triangle_con, tri_style);
return canvas_pos;
return selected_color;
}
// TODO: consume mouse events on the popup
@@ -764,7 +766,7 @@ void draw_color_picker_popup(UIConstraints *picker_button_con) {
set_x_constraint(&color_slider_con, 0.04f, UI_CONSTRAINT_RELATIVE);
set_y_constraint(&color_slider_con, 0.05f, UI_CONSTRAINT_RELATIVE);
set_width_constraint(&color_slider_con, popup_con.width * 0.8f, UI_CONSTRAINT_FIXED);
Vec2f canvas_pos = draw_color_picker_canvas(&color_slider_con, slider_selection, ALIGN_TOP_LEFT);
Color selected_color = draw_color_picker_canvas(&color_slider_con, slider_selection, ALIGN_TOP_LEFT);
UIConstraints button_con = default_constraints;
set_parent_constraint(&button_con, &popup_con);
@@ -774,7 +776,7 @@ void draw_color_picker_popup(UIConstraints *picker_button_con) {
set_height_constraint(&button_con, 0.3f, UI_CONSTRAINT_ASPECT_RATIO);
UiStyle button_style = {
.bg_color = *zephr_ctx->ui.popup_revert_color,
.fg_color = COLOR_BLACK,
.fg_color = determine_color_contrast(zephr_ctx->ui.popup_revert_color),
.border_radius = 4,
.align = ALIGN_BOTTOM_LEFT,
};
@@ -782,9 +784,8 @@ void draw_color_picker_popup(UIConstraints *picker_button_con) {
zephr_ctx->ui.popup_open = false;
}
Color selected_color = hsv2rgb(slider_selection * 360.f, canvas_pos.x, 1.0f - canvas_pos.y);
button_style.align = ALIGN_BOTTOM_RIGHT;
button_style.fg_color = determine_color_contrast(&selected_color);
set_x_constraint(&button_con, -0.04f, UI_CONSTRAINT_RELATIVE);
set_y_constraint(&button_con, -0.05f, UI_CONSTRAINT_RELATIVE);
button_style.bg_color = selected_color;
@@ -796,7 +797,11 @@ void draw_color_picker_popup(UIConstraints *picker_button_con) {
zephr_ctx->ui.popup_rect = (Rect){{popup_con.x, popup_con.y}, {popup_con.width, popup_con.height}};
}
void draw_color_picker(UIConstraints *constraints, Color *color, Alignment align, ButtonState state) {
void draw_color_picker_with_location_and_id(u32 id, const char* file, int line, UIConstraints *constraints, Color *color, Alignment align, ButtonState state) {
UiIdHash hash = core_fnv_hash32(&id, sizeof(id), CORE_FNV_HASH32_INIT);
hash = core_fnv_hash32(file, strlen(file), hash);
hash = core_fnv_hash32(&line, sizeof(line), hash);
Rect rect = {0};
Color display_color = *color;
@@ -807,6 +812,22 @@ void draw_color_picker(UIConstraints *constraints, Color *color, Alignment align
bool is_hovered = inside_rect(&rect, &zephr_ctx->mouse.pos);
bool left_mouse_pressed = zephr_ctx->mouse.pressed && zephr_ctx->mouse.button == ZEPHR_MOUSE_BUTTON_LEFT;
bool left_mouse_released = zephr_ctx->mouse.released && zephr_ctx->mouse.button == ZEPHR_MOUSE_BUTTON_LEFT;
bool clicked = false;
if (zephr_ctx->ui.active_element == 0) {
if (is_hovered && left_mouse_pressed) {
zephr_ctx->ui.active_element = hash;
}
} else if (zephr_ctx->ui.active_element == hash) {
if (left_mouse_released) {
zephr_ctx->ui.active_element = 0;
if (is_hovered) {
clicked = true;
}
}
}
if (is_hovered && state == BUTTON_STATE_ACTIVE) {
zephr_set_cursor(ZEPHR_CURSOR_HAND);
@@ -833,7 +854,7 @@ void draw_color_picker(UIConstraints *constraints, Color *color, Alignment align
};
draw_quad(&con, style);
if (is_hovered && state == BUTTON_STATE_ACTIVE && zephr_ctx->mouse.released && zephr_ctx->mouse.button == ZEPHR_MOUSE_BUTTON_LEFT) {
if (clicked && state == BUTTON_STATE_ACTIVE) {
zephr_ctx->ui.popup_open = true;
zephr_ctx->ui.popup_parent_constraints = con;
zephr_ctx->ui.popup_revert_color = color;