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|
#if 0 /*
#/ ================================================================
#/
#/ ui.c
#/
#/ ================================================================
#/
#/ Self-compilation shell script
#/
SRC=${0##*./}
BIN=${SRC%.*}
gcc \
-Wall -Wextra -Werror -pedantic \
-Wno-old-style-declaration \
-Wno-missing-braces \
-Wno-unused-variable \
-Wno-unused-but-set-variable \
-Wno-unused-parameter \
-Wno-overlength-strings \
-O3 \
-fsanitize=undefined,address,leak -mshstk \
-lX11 -lm \
-o $BIN $SRC && \
./$BIN $@ && rm $BIN
exit $? # */
#endif
#include "../graphics.c"
i32 main(i32 argc, c8 **argv) {
(void) argc;
(void) argv;
platform = (Platform) {
.title = "UI",
.frame_width = 960,
.frame_height = 720,
};
p_init();
b8 button_0_down = 0;
b8 button_1_down = 0;
b8 button_1_checked = 0;
i64 text_len = 0;
static c32 text[512] = {0};
i64 cursor = 0;
i64 selection = 0;
while (!platform.done) {
p_wait_events();
for (i32 j = 0; j < platform.frame_height; ++j)
for (i32 i = 0; i < platform.frame_width; ++i)
platform.pixels[j * platform.frame_width + i] = 0x302000;
if (platform.cursor_x >= 40 && platform.cursor_x < 100 && platform.cursor_y >= 40 && platform.cursor_y < 100) {
button_0_down = platform.key_down[BUTTON_LEFT];
if (button_0_down)
draw_panel(OP_SET, 0xffffff, 40, 40, 60, 60);
else
draw_panel(OP_SET, 0x00ff00, 40, 40, 60, 60);
} else {
button_0_down = 0;
draw_panel(OP_SET, 0x208020, 40, 40, 60, 60);
}
if (platform.cursor_x >= 40 && platform.cursor_x < 100 && platform.cursor_y >= 120 && platform.cursor_y < 180) {
button_1_down = platform.key_down[BUTTON_LEFT];
if (platform.key_pressed[BUTTON_LEFT])
button_1_checked = !button_1_checked;
if (button_1_down)
draw_panel(OP_SET, 0xffffff, 40, 120, 60, 60);
else if (button_1_checked)
draw_panel(OP_SET, 0xff8080, 40, 120, 60, 60);
else
draw_panel(OP_SET, 0x80ff80, 40, 120, 60, 60);
} else {
button_1_down = 0;
if (button_1_checked)
draw_panel(OP_SET, 0xff0000, 40, 120, 60, 60);
else
draw_panel(OP_SET, 0x00ff00, 40, 120, 60, 60);
}
i64 w = platform.frame_width / 2;
i64 h = platform.frame_height / 2;
i64 x0 = w / 2;
i64 y0 = h / 2;
i64 color = 0xff7f7f;
if (platform.cursor_x >= x0 && platform.cursor_x < x0 + w &&
platform.cursor_y >= y0 && platform.cursor_y < y0 + h)
color = 0xffffff;
for (i64 i = 0; i < platform.input_size; ++i)
if (platform.input[i].ctrl)
switch (platform.input[i].key) {
case 'v': {
if (selection != 0) {
i64 i0 = selection < 0 ? cursor + selection : cursor;
i64 i1 = selection < 0 ? cursor : cursor + selection;
for (i64 i = 0; i1 + i < text_len; ++i)
text[i0 + i] = text[i1 + i];
selection = 0;
cursor = i0;
text_len -= i1 - i0;
}
for (i64 n = 0; n < platform.clipboard_size;) {
c32 c = utf8_read(platform.clipboard_size - n, platform.clipboard + n);
if (text_len < (i64) (sizeof text / sizeof *text)) {
for (i64 j = text_len; j > cursor; --j)
text[j] = text[j - 1];
text[cursor++] = c;
++text_len;
}
n += utf8_size(c);
}
} break;
case 'x': {
i64 len = 0;
static c8 buf[1024];
i64 i0 = selection < 0 ? cursor + selection : cursor;
i64 i1 = selection < 0 ? cursor : cursor + selection;
for (i64 i = 0; len + 4 <= (i64) sizeof buf && i < i1 - i0; ++i)
len += utf8_write(text[i0 + i], buf + len);
if (len > 0)
p_clipboard_write(len, buf);
for (i64 i = 0; i1 + i < text_len; ++i)
text[i0 + i] = text[i1 + i];
selection = 0;
cursor = i0;
text_len -= i1 - i0;
} break;
case 'c': {
i64 len = 0;
static c8 buf[1024];
i64 i0 = selection < 0 ? cursor + selection : cursor;
i64 i1 = selection < 0 ? cursor : cursor + selection;
for (i64 i = 0; len + 4 <= (i64) sizeof buf && i < i1 - i0; ++i)
len += utf8_write(text[i0 + i], buf + len);
if (len > 0)
p_clipboard_write(len, buf);
} break;
default:;
}
else
switch (platform.input[i].key) {
case KEY_LEFT:
if (platform.key_down[MOD_SHIFT]) {
if (cursor > 0)
++selection;
} else if (selection != 0) {
cursor = selection < 0 ? cursor + selection + 1 : cursor + 1;
selection = 0;
}
if (cursor > 0)
--cursor;
break;
case KEY_RIGHT:
if (platform.key_down[MOD_SHIFT]) {
if (cursor < text_len)
--selection;
} else if (selection != 0) {
cursor = selection < 0 ? cursor - 1 : cursor + selection - 1;
selection = 0;
}
if (cursor < text_len)
++cursor;
break;
case '\b':
if (selection != 0) {
i64 i0 = selection < 0 ? cursor + selection : cursor;
i64 i1 = selection < 0 ? cursor : cursor + selection;
for (i64 i = 0; i1 + i < text_len; ++i)
text[i0 + i] = text[i1 + i];
selection = 0;
cursor = i0;
text_len -= i1 - i0;
} else if (cursor > 0 && text_len > 0) {
for (i64 i = cursor; i < text_len; ++i)
text[i - 1] = text[i];
--cursor;
--text_len;
}
break;
case KEY_DELETE:
if (selection != 0) {
i64 i0 = selection < 0 ? cursor + selection : cursor;
i64 i1 = selection < 0 ? cursor : cursor + selection;
for (i64 i = 0; i1 + i < text_len; ++i)
text[i0 + i] = text[i1 + i];
selection = 0;
cursor = i0;
text_len -= i1 - i0;
} else if (cursor < text_len) {
for (i64 i = cursor + 1; i < text_len; ++i)
text[i - 1] = text[i];
--text_len;
}
break;
case '\n':
case '\r':
case '\t':
platform.input[i].c = platform.input[i].key;
// fallthrough
default:
if (platform.input[i].c) {
if (selection != 0) {
i64 i0 = selection < 0 ? cursor + selection : cursor;
i64 i1 = selection < 0 ? cursor : cursor + selection;
for (i64 i = 0; i1 + i < text_len; ++i)
text[i0 + i] = text[i1 + i];
selection = 0;
cursor = i0;
text_len -= i1 - i0;
}
if (text_len < (i64) (sizeof text / sizeof *text)) {
for (i64 i = text_len; i > cursor; --i)
text[i] = text[i - 1];
text[cursor++] = platform.input[i].c;
++text_len;
}
}
}
draw_text_area(0, x0 + 8, y0 - 8, w, h, 10., 10., text_len, text);
draw_text_area(color, x0, y0, w, h, 10., 10., text_len, text);
draw_text_cursor(0xffffff, x0, y0, w, h, 10., 10., cursor, selection, text_len, text);
p_render_frame();
}
p_cleanup();
return 0;
}
|
