summaryrefslogtreecommitdiff
path: root/menu.c
blob: 891d97ee8559bbaf7d5c3cc1502a3fabba60fc71 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
static void menu_open(Ted *ted, Menu menu) {
	ted->menu = menu;
	ted->prev_active_buffer = ted->active_buffer;
	ted->active_buffer = NULL;
	*ted->warn_overwrite = 0; // clear warn_overwrite

	switch (menu) {
	case MENU_NONE: assert(0); break;
	case MENU_OPEN:
		ted->active_buffer = &ted->line_buffer;
		break;
	case MENU_SAVE_AS:
		ted->active_buffer = &ted->line_buffer;
		ted->file_selector.create_menu = true;
		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;
	file_selector_free(&ted->file_selector);
	buffer_clear(&ted->line_buffer);
}

static void menu_escape(Ted *ted) {
	if (*ted->warn_overwrite) {
		// just close "are you sure you want to overwrite?"
		*ted->warn_overwrite = 0;
		ted->active_buffer = &ted->line_buffer;
	} else {
		menu_close(ted, true);
	}
}

static float menu_get_width(Ted *ted) {
	Settings *settings = &ted->settings;
	return minf(settings->max_menu_width, ted->window_width - 2.0f * settings->padding);
}

// returns the rectangle of the screen coordinates of the menu
static Rect menu_rect(Ted *ted) {
	Settings *settings = &ted->settings;
	float window_width = ted->window_width, window_height = ted->window_height;
	float padding = settings->padding;
	float menu_width = menu_get_width(ted);
	return rect(
		V2(window_width * 0.5f - 0.5f * menu_width, padding),
		V2(menu_width, window_height - 2 * padding)
	);
}

static void menu_update(Ted *ted, Menu menu) {
	switch (menu) {
	case MENU_NONE: break;
	case MENU_SAVE_AS: {
		if (*ted->warn_overwrite) {
			switch (popup_update(ted)) {
			case POPUP_NONE:
				// no option selected
				break;
			case POPUP_YES: {
				// overwrite it!
				TextBuffer *buffer = ted->prev_active_buffer;
				if (buffer) {
					buffer_save_as(buffer, ted->warn_overwrite);
				}
				menu_close(ted, true);
			} break;
			case POPUP_NO:
				// back to the file selector
				*ted->warn_overwrite = '\0';
				ted->active_buffer = &ted->line_buffer;
				break;
			case POPUP_CANCEL:
				// close "save as" menu
				menu_close(ted, true);
				break;
			}
		} else {
			char *selected_file = file_selector_update(ted, &ted->file_selector);
			if (selected_file) {
				TextBuffer *buffer = ted->prev_active_buffer;
				if (buffer) {
					if (fs_path_type(selected_file) != FS_NON_EXISTENT) {
						// file already exists! warn about overwriting it.
						strbuf_cpy(ted->warn_overwrite, selected_file);
						ted->active_buffer = NULL;
					} else {
						// create the new file.
						buffer_save_as(buffer, selected_file);
						menu_close(ted, true);
					}
				}
				free(selected_file);
			}
		}
	} break;
	case MENU_OPEN: {
		char *selected_file = file_selector_update(ted, &ted->file_selector);
		if (selected_file) {
			// open that file!
			if (ted_open_file(ted, selected_file)) {
				menu_close(ted, false);
				file_selector_free(&ted->file_selector);
			}
			free(selected_file);
		}
	} break;
	}
}

static void menu_render(Ted *ted, Menu menu) {
	Settings const *settings = &ted->settings;
	u32 const *colors = settings->colors;
	float window_width = ted->window_width, window_height = ted->window_height;
	Font *font_bold = ted->font_bold;
	float char_height_bold = text_font_char_height(font_bold);

	// 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 (*ted->warn_overwrite) {
		char const *path = ted->warn_overwrite;
		char const *filename = path_filename(path);
		char title[32] = {0}, body[256] = {0};
		strbuf_printf(title, "Overwrite %s?", filename);
		strbuf_printf(body, "Are you sure you want to overwrite %s?", path);
		popup_render(ted, title, body);
		return;
	}
	
	if (menu == MENU_OPEN || menu == MENU_SAVE_AS) {
		float padding = settings->padding;
		Rect rect = menu_rect(ted);
		float menu_x1, menu_y1, menu_x2, menu_y2;
		rect_coords(rect, &menu_x1, &menu_y1, &menu_x2, &menu_y2);

		// menu rectangle & border
		glBegin(GL_QUADS);
		gl_color_rgba(colors[COLOR_MENU_BG]);
		rect_render(rect);
		gl_color_rgba(colors[COLOR_BORDER]);
		rect_render_border(rect, settings->border_thickness);
		glEnd();
		
		menu_x1 += padding;
		menu_y1 += padding;
		menu_x2 -= padding;
		menu_y2 -= padding;
		

		gl_color_rgba(colors[COLOR_TEXT]);
		if (menu == MENU_OPEN) {
			text_render(font_bold, "Open...", menu_x1, menu_y1);
		} else if (menu == MENU_SAVE_AS) {
			text_render(font_bold, "Save as...", menu_x1, menu_y1);
		}
			
		menu_y1 += char_height_bold * 0.75f + padding;

		FileSelector *fs = &ted->file_selector;
		fs->bounds = rect4(menu_x1, menu_y1, menu_x2, menu_y2);
		file_selector_render(ted, fs);
	}
}