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Add some text contents to terminal.

This commit is contained in:
Kristian Høgsberg 2008-12-07 21:51:58 -05:00
parent 0c4457f0c2
commit 44e3c5e1ad
1 changed files with 71 additions and 7 deletions
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78
terminal.c
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@ -47,15 +47,68 @@ struct terminal {
struct window *window;
struct wl_display *display;
int resize_scheduled;
char *data;
int width, height;
int fd;
struct buffer *buffer;
};
static void
terminal_draw_contents(struct terminal *terminal)
{
struct rectangle rectangle;
cairo_surface_t *surface;
cairo_t *cr;
cairo_font_extents_t extents;
int i;
window_get_child_rectangle(terminal->window, &rectangle);
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
rectangle.width, rectangle.height);
cr = cairo_create(surface);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(cr, 0, 0, 0, 0.9);
cairo_paint(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgba(cr, 0, 0.5, 0, 1);
cairo_select_font_face (cr, "mono",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_font_extents(cr, &extents);
for (i = 0; i < terminal->height; i++) {
cairo_move_to(cr, 0, extents.ascent + extents.height * i);
cairo_show_text(cr, &terminal->data[i * (terminal->width + 1)]);
}
cairo_destroy(cr);
if (terminal->buffer != NULL)
buffer_destroy(terminal->buffer, terminal->fd);
terminal->buffer = buffer_create_from_cairo_surface(terminal->fd, surface);
cairo_surface_destroy(surface);
window_copy(terminal->window,
&rectangle,
terminal->buffer->name, terminal->buffer->stride);
}
static void
terminal_draw(struct terminal *terminal)
{
window_draw(terminal->window);
terminal_draw_contents(terminal);
wl_display_commit(terminal->display, 0);
}
static gboolean
resize_window(void *data)
idle_redraw(void *data)
{
struct terminal *terminal = data;
window_draw(terminal->window);
wl_display_commit(terminal->display, 0);
terminal_draw(terminal);
return FALSE;
}
@ -66,7 +119,7 @@ resize_handler(struct window *window, int32_t width, int32_t height, void *data)
struct terminal *terminal = data;
if (!terminal->resize_scheduled) {
g_idle_add(resize_window, terminal);
g_idle_add(idle_redraw, terminal);
terminal->resize_scheduled = 1;
}
}
@ -83,15 +136,27 @@ static struct terminal *
terminal_create(struct wl_display *display, int fd)
{
struct terminal *terminal;
int size, i;
terminal = malloc(sizeof *terminal);
if (terminal == NULL)
return terminal;
terminal->fd = fd;
terminal->window = window_create(display, fd, "Wayland Terminal",
500, 100, 300, 200);
500, 100, 500, 400);
terminal->display = display;
terminal->resize_scheduled = 1;
terminal->width = 80;
terminal->height = 25;
size = (terminal->width + 1) * terminal->height;
terminal->data = malloc(size);
memset(terminal->data, 0, size);
for (i = 0; i < terminal->height; i++) {
snprintf(&terminal->data[i * (terminal->width + 1)], terminal->width,
"hello world, line %d", i);
}
window_set_resize_handler(terminal->window, resize_handler, terminal);
window_set_acknowledge_handler(terminal->window, acknowledge_handler, terminal);
@ -124,8 +189,7 @@ int main(int argc, char *argv[])
g_source_attach(source, NULL);
terminal = terminal_create(display, fd);
window_draw(terminal->window);
wl_display_commit(display, 0);
terminal_draw(terminal);
g_main_loop_run(loop);