/* ----------------------------------------------------------------------------
* Draws the textbox. It's basically a rectangle with a border.
* The border is drawn line by line. Finally, it draws the
* text within.
*/
void textbox::draw_self() {
al_draw_filled_rectangle(x1, y1, x2, y2, get_bg_color());
draw_line(this, DRAW_LINE_TOP, 0, 1, 0, get_darker_bg_color()); // Top line.
draw_line(this, DRAW_LINE_LEFT, 0, 1, 0, get_darker_bg_color()); // Left line.
draw_line(this, DRAW_LINE_BOTTOM, 1, 0, 0, get_lighter_bg_color()); // Bottom line.
draw_line(this, DRAW_LINE_RIGHT, 1, 0, 0, get_lighter_bg_color()); // Right line.
if(style->text_font) {
int text_start = x1 + 2 - scroll_x;
if(parent->focused_widget == this) {
al_draw_filled_rectangle(
text_start + al_get_text_width(style->text_font, text.substr(0, min(sel_start, sel_end)).c_str()),
y1 + 2,
text_start + al_get_text_width(style->text_font, text.substr(0, max(sel_start, sel_end)).c_str()),
y2 - 2,
get_alt_color()
);
}
al_draw_text(style->text_font, get_fg_color(), text_start, (y2 + y1) / 2 - al_get_font_line_height(style->text_font) / 2, 0, text.c_str());
unsigned int cursor_x = al_get_text_width(style->text_font, text.substr(0, cursor).c_str());
if(parent->focused_widget == this) {
al_draw_line(
x1 + cursor_x + 1.5 - scroll_x,
y1 + 2,
x1 + cursor_x + 1.5 - scroll_x,
y2 - 2,
get_alt_color(),
1);
}
}
}
/* ----------------------------------------------------------------------------
* Draws the checkbox box. It's just a square with a fancy border.
* The latter is drawn line by line. It also draws the checkmark,
* if the box is ticked.
*/
void checkbox_box::draw_self() {
al_draw_filled_rectangle(x1, y1, x2, y2, get_bg_color());
//Top line.
draw_line(this, DRAW_LINE_TOP, 0, 1, 0, get_darker_bg_color());
//Left line.
draw_line(this, DRAW_LINE_LEFT, 0, 1, 0, get_darker_bg_color());
//Bottom line.
draw_line(this, DRAW_LINE_BOTTOM, 1, 0, 0, get_lighter_bg_color());
//Right line.
draw_line(this, DRAW_LINE_RIGHT, 1, 0, 0, get_lighter_bg_color());
if(checked) {
//Southeast-going line.
al_draw_line(x1 + 2.5, y1 + 6.5, x1 + 5.5, y1 + 9.5, get_fg_color(), 3);
//Northeast-going line.
al_draw_line(x1 + 3.5, y1 + 9.5, x1 + 10, y1 + 3, get_fg_color(), 3);
}
}
/* ----------------------------------------------------------------------------
* Draws the actual frame. Like the frame of a painting, this
* is basically a rectangle and a border.
*/
void frame::draw_self() {
al_draw_filled_rectangle(x1, y1, x2, y2, get_bg_color());
//Top line, outermost.
draw_line(this, DRAW_LINE_TOP, 0, 1, 0, get_lighter_bg_color());
//Top line, innermost.
draw_line(this, DRAW_LINE_TOP, 1, 2, 1, get_darker_bg_color());
//Left line, outermost.
draw_line(this, DRAW_LINE_LEFT, 0, 1, 0, get_lighter_bg_color());
//Left line, innermost.
draw_line(this, DRAW_LINE_LEFT, 1, 2, 1, get_darker_bg_color());
//Bottom line, outermost.
draw_line(this, DRAW_LINE_BOTTOM, 1, 0, 0, get_darker_bg_color());
//Bottom line, innermost.
draw_line(this, DRAW_LINE_BOTTOM, 2, 1, 1, get_lighter_bg_color());
//Right line, outermost.
draw_line(this, DRAW_LINE_RIGHT, 1, 0, 0, get_darker_bg_color());
//Right line, innermost.
draw_line(this, DRAW_LINE_RIGHT, 2, 1, 1, get_lighter_bg_color());
}
/* ----------------------------------------------------------------------------
* Draws the circle and the pointer.
*/
void angle_picker::draw_self() {
float circle_r = (y2 - y1) / 2;
float circle_cx = x1 + circle_r;
float circle_cy = y1 + circle_r;
al_draw_filled_circle(circle_cx, circle_cy, circle_r, get_bg_color());
al_draw_arc(circle_cx, circle_cy, circle_r, M_PI_2 + M_PI_4, M_PI, get_darker_bg_color(), 1);
al_draw_arc(circle_cx, circle_cy, circle_r, M_PI_2 + M_PI_4 + M_PI, M_PI, get_lighter_bg_color(), 1);
al_draw_line(
circle_cx, circle_cy,
circle_cx + cos(angle) * circle_r,
circle_cy + sin(angle) * circle_r,
get_fg_color(), 2
);
}
/* ----------------------------------------------------------------------------
* Draws the scrollbar. The button can draw itself, but this widget
* draws the harness.
*/
void scrollbar::draw_self() {
int w = x2 - x1;
int h = y2 - y1;
if(vertical) {
al_draw_filled_rectangle(
x1 + w / 2 - 2,
y1 + 0.5,
x1 + w / 2 + 2,
y2 - 0.5,
get_bg_color()
);
al_draw_line(
x1 + w / 2 - 0.5,
y1 + 0.5,
x1 + w / 2 - 0.5,
y2 - 0.5,
get_lighter_bg_color(),
1
);
al_draw_line(
x1 + w / 2 + 0.5,
y1 + 0.5,
x1 + w / 2 + 0.5,
y2 - 0.5,
get_darker_bg_color(),
1
);
al_draw_line(x1 + w / 2 - 4, y1 + 0.5, x1 + w / 2 + 4, y1 + 0.5, get_lighter_bg_color(), 1);
al_draw_line(x1 + w / 2 - 4, y1 + 1.5, x1 + w / 2 + 4, y1 + 1.5, get_darker_bg_color(), 1);
al_draw_line(x1 + w / 2 - 4, y2 - 0.5, x1 + w / 2 + 4, y2 - 0.5, get_darker_bg_color(), 1);
al_draw_line(x1 + w / 2 - 4, y2 - 1.5, x1 + w / 2 + 4, y2 - 1.5, get_lighter_bg_color(), 1);
} else { //Horizontal bar.
al_draw_filled_rectangle(
x1 + 0.5,
y1 + h / 2 - 2,
x2 - 0.5,
y1 + h / 2 + 2,
get_bg_color()
);
al_draw_line(
x1 + 0.5,
y1 + h / 2 - 0.5,
x2 - 0.5,
y1 + h / 2 - 0.5,
get_lighter_bg_color(),
1
);
al_draw_line(
x1 + 0.5,
y1 + h / 2 + 0.5,
x2 - 0.5,
y1 + h / 2 + 0.5,
get_darker_bg_color(),
1
);
al_draw_line(x1 + 0.5, y1 + h / 2 - 4, x1 + 0.5, y1 + h / 2 + 4, get_lighter_bg_color(), 1);
al_draw_line(x1 + 1.5, y1 + h / 2 - 4, x1 + 1.5, y1 + h / 2 + 4, get_darker_bg_color(), 1);
al_draw_line(x2 - 0.5, y1 + h / 2 - 4, x2 - 0.5, y1 + h / 2 + 4, get_darker_bg_color(), 1);
al_draw_line(x2 - 1.5, y1 + h / 2 - 4, x2 - 1.5, y1 + h / 2 + 4, get_lighter_bg_color(), 1);
}
}
/* ----------------------------------------------------------------------------
* Draws the button. It' just a rectangle with a fancy border;
* the latter is drawn one line at a time.
*/
void button::draw_self() {
unsigned int w = x2 - x1;
unsigned int h = y2 - y1;
ALLEGRO_COLOR top_color, bottom_color;
if(mouse_clicking && mouse_in) {
top_color = get_darker_bg_color();
bottom_color = get_lighter_bg_color();
} else {
top_color = get_lighter_bg_color();
bottom_color = get_darker_bg_color();
}
al_draw_filled_rectangle(x1, y1, x2, y2, get_bg_color());
//Top line, outermost.
draw_line(this, DRAW_LINE_TOP, 0, 1, 0, top_color);
//Top line, innermost.
draw_line(this, DRAW_LINE_TOP, 0, 2, 1, top_color);
//Left line, outermost.
draw_line(this, DRAW_LINE_LEFT, 0, 1, 0, top_color);
//Left line, innermost.
draw_line(this, DRAW_LINE_LEFT, 0, 2, 1, top_color);
//Bottom line, outermost.
draw_line(this, DRAW_LINE_BOTTOM, 1, 0, 0, bottom_color);
//Bottom line, innermost.
draw_line(this, DRAW_LINE_BOTTOM, 2, 0, 1, bottom_color);
//Right line, outermost.
draw_line(this, DRAW_LINE_RIGHT, 1, 0, 0, bottom_color);
//Right line, innermost.
draw_line(this, DRAW_LINE_RIGHT, 2, 0, 1, bottom_color);
//This is the center of the text, not top left. Also, relative coordinates.
signed short final_text_y = 0;
//Top left of the icon.
signed short final_icon_y = 0;
if(icon && text.size()) {
//If there's an icon and text.
unsigned short total_height =
al_get_bitmap_height(icon) +
al_get_font_line_height(style->text_font) + 2;
//The icon goes to the top of the 2.
final_icon_y = h / 2 - total_height / 2;
//The text uses the same base y as the icon, except lowered, obviously.
final_text_y =
final_icon_y + al_get_bitmap_height(icon) +
al_get_font_line_height(style->text_font) / 2 + 2;
} else if(icon) { //Icon, but no text.
final_icon_y = h / 2 - al_get_bitmap_height(icon) / 2;
} else if(!icon && text.size()) { //Text, but no icon.
final_text_y = h / 2;
}
if(icon) {
al_draw_bitmap(
icon,
x1 + (w / 2 - al_get_bitmap_width(icon) / 2),
y1 + final_icon_y,
0);
}
if(text.size()) {
draw_text_lines(
style->text_font,
get_fg_color(),
x1 + (w / 2),
y1 + final_text_y,
ALLEGRO_ALIGN_CENTRE,
true,
text);
}
}
