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
|
#include "app.h"
#include "config.h"
#include "font.h"
#include "media.h"
#include "render.h"
#include <GLFW/glfw3.h>
#include <stdio.h>
#include <string.h>
#define WINDOW_WIDTH 1000
#define WINDOW_HEIGHT 700
static void print_usage(const char *argv0) {
fprintf(stderr, "usage:\n");
fprintf(stderr, " %s [--config path/to/ecexrc.c] [--font path/to/font.ttf]\n", argv0);
fprintf(stderr, "\n");
fprintf(stderr, "keys:\n");
fprintf(stderr, " F1 opens M-x\n");
fprintf(stderr, " Tab completes M-x command names\n");
fprintf(stderr, " Alt+x opens M-x when the OS/window-manager allows it\n");
fprintf(stderr, " C-x is reserved for prefix maps\n");
fprintf(stderr, "\n");
fprintf(stderr, "env:\n");
fprintf(stderr, " ECEX_FONT=/path/to/font.ttf\n");
fprintf(stderr, " ECEX_INCLUDE=/path/to/ecex/include\n");
}
static int parse_args(int argc,
char **argv,
const char **config_path,
const char **font_path_arg) {
*config_path = NULL;
*font_path_arg = NULL;
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "--config") == 0) {
if (i + 1 >= argc) {
print_usage(argv[0]);
return -1;
}
*config_path = argv[++i];
} else if (strcmp(argv[i], "--font") == 0) {
if (i + 1 >= argc) {
print_usage(argv[0]);
return -1;
}
*font_path_arg = argv[++i];
} else if (strcmp(argv[i], "--help") == 0 ||
strcmp(argv[i], "-h") == 0) {
print_usage(argv[0]);
return 1;
} else {
*font_path_arg = argv[i];
}
}
return 0;
}
static const char *select_font_path(ecex_t *ed, const char *font_path_arg) {
if (font_path_arg) return font_path_arg;
if (ed && ed->theme.font_path) return ed->theme.font_path;
return font_choose_path(NULL);
}
int main(int argc, char **argv) {
const char *config_path = NULL;
const char *font_path_arg = NULL;
int args_result = parse_args(argc, argv, &config_path, &font_path_arg);
if (args_result != 0) {
return args_result < 0 ? 1 : 0;
}
ecex_t *ed = ecex_new();
if (!ed) {
fprintf(stderr, "failed to create editor\n");
return 1;
}
if (config_path) {
if (ecex_load_c_config(ed, config_path) != 0) {
fprintf(stderr, "ecex: continuing without config\n");
}
}
if (!glfwInit()) {
fprintf(stderr, "failed to initialize GLFW\n");
ecex_free(ed);
return 1;
}
GLFWwindow *window = glfwCreateWindow(
WINDOW_WIDTH,
WINDOW_HEIGHT,
"ecex",
NULL,
NULL
);
if (!window) {
fprintf(stderr, "failed to create GLFW window\n");
glfwTerminate();
ecex_free(ed);
return 1;
}
glfwMakeContextCurrent(window);
glfwSwapInterval(1);
app_t app;
app_init(&app, ed);
app_set_window(&app, window);
const char *font_path = select_font_path(ed, font_path_arg);
if (!font_path) {
fprintf(stderr, "ecex: could not find a font automatically\n");
fprintf(stderr, "try:\n");
fprintf(stderr, " export ECEX_FONT=/path/to/font.ttf\n");
fprintf(stderr, " %s --font /path/to/font.ttf\n", argv[0]);
glfwDestroyWindow(window);
glfwTerminate();
ecex_free(ed);
return 1;
}
if (font_load(&app.font, font_path, ed->theme.font_size) != 0) {
fprintf(stderr, "ecex: could not load font\n");
fprintf(stderr, "try an explicit font path:\n");
fprintf(stderr, " %s --font /path/to/font.ttf\n", argv[0]);
glfwDestroyWindow(window);
glfwTerminate();
ecex_free(ed);
return 1;
}
snprintf(app.font_path, sizeof(app.font_path), "%s", font_path);
app_install_callbacks(&app);
app_message(&app, "F1 for M-x. Tab completes commands.");
while (!glfwWindowShouldClose(window) && !ed->should_quit) {
double now = glfwGetTime();
if (ecex_media_tick(ed, now) || ecex_tick_animations(ed, now)) {
app.dirty = 1;
}
if (app.dirty) {
render(&app);
glfwSwapBuffers(window);
app.dirty = 0;
}
glfwWaitEventsTimeout(1.0 / 60.0);
}
font_free(&app.font);
glfwDestroyWindow(window);
glfwTerminate();
ecex_free(ed);
return 0;
}
|
