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static void menu_open(Ted *ted, Menu menu) {
ted->menu = menu;
ted->prev_active_buffer = ted->active_buffer;
ted->active_buffer = NULL;
switch (menu) {
case MENU_NONE: assert(0); break;
case MENU_OPEN:
ted->active_buffer = &ted->line_buffer;
break;
}
}
static void menu_close(Ted *ted, bool restore_prev_active_buffer) {
ted->menu = MENU_NONE;
if (restore_prev_active_buffer) ted->active_buffer = ted->prev_active_buffer;
ted->prev_active_buffer = NULL;
buffer_clear(&ted->line_buffer);
}
static void menu_render(Ted *ted, Menu menu) {
Settings *settings = &ted->settings;
u32 *colors = settings->colors;
Font *font = ted->font;
float window_width = ted->window_width, window_height = ted->window_height;
float char_height = text_font_char_height(font);
// render backdrop
glBegin(GL_QUADS);
gl_color_rgba(colors[COLOR_MENU_BACKDROP]);
rect_render(rect(V2(0, 0), V2(window_width, window_height)));
glEnd();
if (menu == MENU_OPEN) {
char *search_term = str32_to_utf8_cstr(buffer_get_line(&ted->line_buffer, 0));
char const *directory = ".";
float padding = 20;
float menu_x1 = window_width * 0.5f - 300;
float menu_x2 = window_width * 0.5f + 300;
menu_x1 = maxf(menu_x1, padding);
menu_x2 = minf(menu_x2, window_width - padding);
float menu_y1 = padding;
float menu_y2 = window_height - padding;
Rect menu_rect = rect4(menu_x1, menu_y1, menu_x2, menu_y2);
float inner_padding = 10;
// menu rectangle & border
glBegin(GL_QUADS);
gl_color_rgba(colors[COLOR_MENU_BG]);
rect_render(menu_rect);
gl_color_rgba(colors[COLOR_BORDER]);
rect_render_border(menu_rect, settings->border_thickness);
glEnd();
menu_x1 += inner_padding;
menu_y1 += inner_padding;
menu_x2 -= inner_padding;
menu_y2 -= inner_padding;
float line_buffer_height = char_height * 1.5f;
float line_buffer_x1 = menu_x1,
line_buffer_y1 = menu_y1,
line_buffer_x2 = menu_x2,
line_buffer_y2 = line_buffer_y1 + line_buffer_height;
buffer_render(&ted->line_buffer, line_buffer_x1, line_buffer_y1, line_buffer_x2, line_buffer_y2);
char **files = fs_list_directory(directory);
if (files) {
u32 nfiles = 0;
for (char **p = files; *p; ++p) ++nfiles;
if (search_term && *search_term) {
// filter files based on search term
u32 in, out = 0;
for (in = 0; in < nfiles; ++in) {
if (stristr(files[in], search_term)) {
files[out++] = files[in];
}
}
nfiles = out;
}
qsort(files, nfiles, sizeof *files, str_qsort_case_insensitive_cmp);
char const *file_to_open = NULL;
{ // render file names
float start_x = menu_x1, start_y = line_buffer_y2 + inner_padding;
float x = start_x, y = start_y;
for (u32 i = 0; i < nfiles; ++i) {
// highlight entry user is mousing over
if (y >= menu_y2) break;
Rect r = rect4(x, y, menu_x2, minf(y + char_height, menu_y2));
y += char_height;
if (rect_contains_point(r, ted->mouse_pos)) {
glBegin(GL_QUADS);
gl_color_rgba(colors[COLOR_MENU_HL]);
rect_render(r);
glEnd();
}
for (u32 c = 0; c < ted->nmouse_clicks[SDL_BUTTON_LEFT]; ++c) {
if (rect_contains_point(r, ted->mouse_clicks[SDL_BUTTON_LEFT][c])) {
// this file got clicked on!
file_to_open = files[i];
}
}
}
x = start_x, y = start_y;
TextRenderState text_render_state = {.min_x = menu_x1, .max_x = menu_x2, .min_y = menu_y1, .max_y = menu_y2, .render = true};
gl_color_rgba(colors[COLOR_TEXT]);
for (u32 i = 0; i < nfiles; ++i) {
if (y >= menu_y2) break;
text_render_with_state(font, &text_render_state, files[i], x, y);
y += char_height;
}
}
if (file_to_open) {
ted_open_file(ted, file_to_open);
menu_close(ted, false);
}
for (u32 i = 0; i < nfiles; ++i) free(files[i]);
free(files);
}
free(search_term);
}
}
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