summaryrefslogtreecommitdiff
path: root/menu.c
blob: e9c9488ea64abe66aa61919c9f238b0ff929b94e (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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
static void menu_open(Ted *ted, Menu menu) {
	if (ted->find) find_close(ted);
	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;
	case MENU_WARN_UNSAVED:
		assert(ted->warn_unsaved);
		assert(*ted->warn_unsaved_names);
		break;
	case MENU_ASK_RELOAD:
		assert(*ted->ask_reload);
		break;
	case MENU_GOTO_DEFINITION:
		tag_selector_open(ted);
		break;
	}
}

static void menu_close(Ted *ted) {
	ted->active_buffer = ted->prev_active_buffer;
	ted->prev_active_buffer = NULL;
	switch (ted->menu) {
	case MENU_NONE: assert(0); break;
	case MENU_OPEN:
	case MENU_SAVE_AS:
		file_selector_free(&ted->file_selector);
		buffer_clear(&ted->line_buffer);
		break;
	case MENU_WARN_UNSAVED:
		ted->warn_unsaved = 0;
		*ted->warn_unsaved_names = 0;
		break;
	case MENU_ASK_RELOAD:
		*ted->ask_reload = 0;
		break;
	case MENU_GOTO_DEFINITION:
		tag_selector_close(ted);
		break;
	}
	ted->menu = MENU_NONE;
}

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);
	}
}

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 = ted->menu;
	assert(menu);
	switch (menu) {
	case MENU_NONE: break;
	case MENU_SAVE_AS: {
		if (*ted->warn_overwrite) {
			switch (popup_update(ted, POPUP_YES_NO_CANCEL)) {
			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);
			} 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);
				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);
					}
				}
				free(selected_file);
			}
		}
	} break;
	case MENU_OPEN: {
		char *selected_file = file_selector_update(ted, &ted->file_selector);
		if (selected_file) {
			// open that file!
			menu_close(ted);
			ted_open_file(ted, selected_file);
			free(selected_file);
		}
	} break;
	case MENU_ASK_RELOAD: {
		TextBuffer *buffer = ted->prev_active_buffer;
		switch (popup_update(ted, POPUP_YES_NO)) {
		case POPUP_NONE: break;
		case POPUP_YES:
			menu_close(ted);
			if (buffer)
				buffer_reload(buffer);
			break;
		case POPUP_NO:
			menu_close(ted);
			if (buffer)
				buffer->last_write_time = time_last_modified(buffer->filename);
			break;
		case POPUP_CANCEL: assert(0); break;
		}
	} break;
	case MENU_WARN_UNSAVED:
		switch (popup_update(ted, POPUP_YES_NO_CANCEL)) {
		case POPUP_NONE: break;
		case POPUP_YES:
			// save changes
			switch (ted->warn_unsaved) {
			case CMD_TAB_CLOSE: {
				menu_close(ted);
				TextBuffer *buffer = ted->active_buffer;
				command_execute(ted, CMD_SAVE, 1); 
				if (!buffer_unsaved_changes(buffer)) {
					command_execute(ted, CMD_TAB_CLOSE, 1);
				}
			} break;
			case CMD_QUIT:
				menu_close(ted);
				if (ted_save_all(ted)) {
					command_execute(ted, CMD_QUIT, 1);
				}
				break;
			default:
				assert(0);
				break;
			}
			break;
		case POPUP_NO: {
			// pass in an argument of 2 to override dialog
			Command cmd = ted->warn_unsaved;
			menu_close(ted);
			command_execute(ted, cmd, 2);
		} break;
		case POPUP_CANCEL:
			menu_close(ted);
			break;
		}
		break;
	case MENU_GOTO_DEFINITION: {
		char *chosen_tag = tag_selector_update(ted);
		if (chosen_tag) {
			menu_close(ted);
			tag_goto(ted, chosen_tag);
			free(chosen_tag);
		}
	} break;
	}
}

static void menu_render(Ted *ted) {
	Menu menu = ted->menu;
	assert(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
	gl_geometry_rect(rect(V2(0, 0), V2(window_width, window_height)), colors[COLOR_MENU_BACKDROP]);
	gl_geometry_draw();

	if (*ted->warn_overwrite) {
		char const *path = ted->warn_overwrite;
		char const *filename = path_filename(path);
		char title[64] = {0}, body[1024] = {0};
		strbuf_printf(title, "Overwrite %s?", filename);
		strbuf_printf(body, "Are you sure you want to overwrite %s?", path);
		popup_render(ted, POPUP_YES_NO_CANCEL, title, body);
		return;
	}

	
	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);

	if (menu == MENU_OPEN || menu == MENU_SAVE_AS || menu == MENU_GOTO_DEFINITION) {
		// menu rectangle & border
		gl_geometry_rect(rect, colors[COLOR_MENU_BG]);
		gl_geometry_rect_border(rect, settings->border_thickness, colors[COLOR_BORDER]);
		gl_geometry_draw();
		
		menu_x1 += padding;
		menu_y1 += padding;
		menu_x2 -= padding;
		menu_y2 -= padding;
	}
		

	switch (menu) {
	case MENU_NONE: assert(0); break;
	case MENU_WARN_UNSAVED: {
		char title[64] = {0}, body[1024] = {0};
		strbuf_printf(title, "Save changes?");
		strbuf_printf(body, "Do you want to save your changes to %s?", ted->warn_unsaved_names);
		popup_render(ted, POPUP_YES_NO_CANCEL, title, body);
	} break;
	case MENU_ASK_RELOAD: {
		char title[64] = {0}, body[1024] = {0};
		strbuf_printf(title, "Reload %s?", ted->ask_reload);
		strbuf_printf(body, "%s has been changed by another program. Do you want to reload it?", ted->ask_reload);
		popup_render(ted, POPUP_YES_NO, title, body);
	} break;
	case MENU_OPEN:
	case MENU_SAVE_AS: {

		if (menu == MENU_OPEN) {
			text_utf8(font_bold, "Open...", menu_x1, menu_y1, colors[COLOR_TEXT]);
		} else if (menu == MENU_SAVE_AS) {
			text_utf8(font_bold, "Save as...", menu_x1, menu_y1, colors[COLOR_TEXT]);
		}
		text_render(font_bold);
			
		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);
	} break;
	case MENU_GOTO_DEFINITION: {
		tag_selector_render(ted, rect4(menu_x1, menu_y1, menu_x2, menu_y2));
	} break;
	}
}