void Text::Redraw(void) {
float x_pos = (*this->position_ptr).x + this->offset.x;
float y_pos = (*this->position_ptr).y + this->offset.y;
al_draw_multiline_text(this->font, al_map_rgb(255, 255, 255), x_pos,
y_pos, this->max_width, this->line_height, 0, (*this->string_msg_ptr).c_str());
}
void Text::Initialize(ALLEGRO_FONT *font, string *msg, VectorXY *position) {
this->font = font;
this->string_msg_ptr = msg;
this->position_ptr = position;
this->offset = VectorXY(0, 0);
this->max_width = 1000;
this->line_height = 15;
al_draw_multiline_text(this->font, al_map_rgb(255, 255, 255), (*this->position_ptr).x,
(*this->position_ptr).y, this->max_width, this->line_height, 0, (*this->string_msg_ptr).c_str());
}
int yes_no_dialog(const char *text){
ALLEGRO_EVENT_QUEUE *queue = al_create_event_queue();
ALLEGRO_EVENT ev;
int noexit;
int yes_x, yes_y, no_x, no_y;
int dw = al_get_bitmap_width(al_get_target_bitmap());
int dh = al_get_bitmap_height(al_get_target_bitmap());
int ret=0;
int bh = 120, bw = 400;
al_register_event_source(queue, al_get_keyboard_event_source());
al_register_event_source(queue, al_get_mouse_event_source());
al_clear_to_color(NULL_COLOR);
al_draw_filled_rectangle((dw - bw)/2, (dh-bh)/2, (dw+bw)/2, (dh+bh)/2, WINDOW_BG_COLOR);
al_draw_rectangle((dw - bw)/2, (dh-bh)/2, (dw+bw)/2, (dh+bh)/2, WINDOW_BD_COLOR,3);
al_draw_multiline_text(default_font, al_map_rgb_f(1,1,1), dw/2, (dh-bh)/2+20, 360, 18, ALLEGRO_ALIGN_CENTER, text);
yes_x = (dw-bw)/2 + 64;
yes_y = (dh+bh)/2 - 44;
no_x = (dw+bw)/2 - 128;
no_y = (dh+bh)/2 - 44;
al_draw_rectangle(yes_x, yes_y, yes_x+64, yes_y+24, al_map_rgb_f(1,1,1), 1);
al_draw_rectangle(no_x, no_y, no_x+64, no_y+24, al_map_rgb_f(1,1,1), 1);
al_draw_text(default_font, al_map_rgb_f(1,1,1), yes_x+32, yes_y+4, ALLEGRO_ALIGN_CENTER, "OK");
al_draw_text(default_font, al_map_rgb_f(1,1,1), no_x+32, no_y+4, ALLEGRO_ALIGN_CENTER, "Cancel");
al_flip_display();
noexit=1;
while(noexit){
al_wait_for_event(queue, &ev);
if(ev.type == ALLEGRO_EVENT_MOUSE_BUTTON_DOWN){
if( (ev.mouse.x > yes_x) && (ev.mouse.x < yes_x+64) && (ev.mouse.y > yes_y) && (ev.mouse.y < yes_y+24) ){
ret = 1;
noexit = 0;
} else if( (ev.mouse.x > no_x) && (ev.mouse.x < no_x+64) && (ev.mouse.y > no_y) && (ev.mouse.y < no_y+24) ){
ret = 0; noexit = 0;
}
}
if(ev.type == ALLEGRO_EVENT_KEY_CHAR)
noexit = 0;
}
al_destroy_event_queue(queue);
return ret;
}
// width_factor is the preferred width (portion of the screen width), but if text won't fit
// it will increase width until it fits
void draw_center_text_box(ALLEGRO_FONT *font, ALLEGRO_COLOR text_color, ALLEGRO_COLOR bg_color, ALLEGRO_COLOR bd_color, float width_factor, const char *text){
int dw = al_get_bitmap_width(al_get_target_bitmap());
int dh = al_get_bitmap_height(al_get_target_bitmap());
float factor=width_factor;
int w,h;
if(!font) return;
do{
w=dw*factor;
h = get_multiline_text_lines(font, w-40, text) * al_get_font_line_height(font) + 30;
factor += 0.05;
}while( (h > dh*0.9) && (factor < 1) );
al_draw_filled_rectangle((dw-w)/2, (dh-h)/2, (dw+w)/2, (dh+h)/2, bg_color);
al_draw_rectangle((dw-w)/2, (dh-h)/2, (dw+w)/2, (dh+h)/2, bd_color, 3);
al_draw_multiline_text(font, text_color, (dw-w+40)/2, (dh-h+30)/2, w-30, al_get_font_line_height(font), ALLEGRO_ALIGN_LEFT, text);
}
void
error_display(const char *text)
{
ALLEGRO_DISPLAY *disp;
ALLEGRO_EVENT_QUEUE *ev_queue;
ALLEGRO_FONT *font;
al_init();
al_install_keyboard();
al_install_mouse();
al_init_font_addon();
al_set_new_display_flags(ALLEGRO_WINDOWED);
al_set_new_display_option(ALLEGRO_VSYNC, 1, ALLEGRO_SUGGEST);
disp = al_create_display(640, 480);
al_set_window_title(disp, "mruby-minigame");
ev_queue = al_create_event_queue();
al_register_event_source(ev_queue, al_get_display_event_source(disp));
al_register_event_source(ev_queue, al_get_keyboard_event_source());
al_register_event_source(ev_queue, al_get_mouse_event_source());
font = al_create_builtin_font();
for (;;) {
ALLEGRO_EVENT ev;
while (al_get_next_event(ev_queue, &ev)) {
if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) goto done;
}
al_clear_to_color(al_map_rgb(200, 120, 120));
al_draw_multiline_text(font, al_map_rgb(255, 255, 255), 64, 64, 640-64, 10, ALLEGRO_ALIGN_LEFT, text);
al_flip_display();
}
done:
return;
}
