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main: handle window resize

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Daniel Eklöf 2019-06-12 20:17:48 +02:00
parent 68108ad7d8
commit 4de6a8ad38
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GPG key ID: 5BBD4992C116573F
1 changed files with 22 additions and 14 deletions
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36
main.c
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@ -30,6 +30,23 @@ struct context {
struct wayland wl;
};
static void
resize(struct context *c, int width, int height)
{
LOG_DBG("resize: %dx%d", width, height);
struct buffer *buf = shm_get_buffer(c->wl.shm, width, height);
cairo_set_operator(buf->cairo, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(buf->cairo, 1.0, 0.0, 0.0, 1.0);
cairo_rectangle(buf->cairo, 0, 0, buf->width, buf->height);
cairo_fill(buf->cairo);
wl_surface_attach(c->wl.surface, buf->wl_buf, 0, 0);
wl_surface_damage(c->wl.surface, 0, 0, buf->width, buf->height);
wl_surface_commit(c->wl.surface);
}
static void
shm_format(void *data, struct wl_shm *wl_shm, uint32_t format)
{
@ -128,6 +145,10 @@ xdg_toplevel_configure(void *data, struct xdg_toplevel *xdg_toplevel,
{
//struct context *c = data;
LOG_DBG("xdg-toplevel: configure: %dx%d", width, height);
if (width <= 0 || height <= 0)
return;
resize(data, width, height);
}
static void
@ -227,18 +248,7 @@ main(int argc, const char *const *argv)
/* TODO: use font metrics to calculate initial size from ROWS x COLS */
const int default_width = 300;
const int default_height = 300;
struct buffer *buf = shm_get_buffer(c.wl.shm, default_width, default_height);
cairo_set_operator(buf->cairo, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(buf->cairo, 1.0, 0.0, 0.0, 1.0);
cairo_rectangle(buf->cairo, 0, 0, buf->width, buf->height);
cairo_fill(buf->cairo);
wl_surface_attach(c.wl.surface, buf->wl_buf, 0, 0);
wl_surface_damage(c.wl.surface, 0, 0, buf->width, buf->height);
wl_surface_commit(c.wl.surface);
resize(&c, default_width, default_height);
wl_display_dispatch_pending(c.wl.display);
@ -247,10 +257,8 @@ main(int argc, const char *const *argv)
{.fd = wl_display_get_fd(c.wl.display), .events = POLLIN},
};
LOG_DBG("polling...");
wl_display_flush(c.wl.display);
poll(fds, 1, -1);
LOG_DBG("lsdjfldsf");
if (fds[0].revents & POLLHUP) {
LOG_WARN("disconnected from wayland");