reconfigure output on resolution change
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@ -6,6 +6,7 @@
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#include <string.h>
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#include <string.h>
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#include <strings.h>
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#include <strings.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <limits.h>
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#include <wayland-server.h>
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#include <wayland-server.h>
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#include <wayland-server-protocol.h>
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#include <wayland-server-protocol.h>
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#include <xkbcommon/xkbcommon.h>
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#include <xkbcommon/xkbcommon.h>
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@ -113,50 +114,73 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
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}
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}
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}
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}
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static inline int max(int a, int b) {
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if (a < b)
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return b;
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return a;
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}
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static void configure_layout(struct sample_state *sample) {
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wlr_output_layout_destroy(sample->layout);
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sample->layout = wlr_output_layout_init();
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sample->main_output = NULL;
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int max_x = wl_list_empty(&sample->config) ? 0 : INT_MIN;
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// first add all the configure outputs
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struct output_state *output;
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wl_list_for_each(output, &sample->outputs, link) {
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struct output_config *conf;
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wl_list_for_each(conf, &sample->config, link) {
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if (strcmp(conf->name, output->output->name) == 0) {
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wlr_output_layout_add(sample->layout, output->output,
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conf->x, conf->y);
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wlr_output_transform(output->output, conf->transform);
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int width, height;
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wlr_output_effective_resolution(output->output, &width, &height);
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max_x = max(max_x, conf->x + width);
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if (!sample->main_output) {
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sample->main_output = output->output;
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sample->x_offs = conf->x + 20;
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sample->y_offs = conf->y + 20;
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}
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break;
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}
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}
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}
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// now add all the other configured outputs in a sensible position
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wl_list_for_each(output, &sample->outputs, link) {
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if (wlr_output_layout_get(sample->layout, output->output)) {
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continue;
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}
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wlr_output_layout_add(sample->layout, output->output, max_x, 0);
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int width, height;
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wlr_output_effective_resolution(output->output, &width, &height);
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wlr_output_effective_resolution(output->output, &width, &height);
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if (!sample->main_output) {
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sample->main_output = output->output;
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sample->x_offs = max_x + 200;
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sample->y_offs = 200;
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}
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max_x += width;
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}
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}
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static void handle_output_resolution(struct compositor_state *state, struct output_state *output) {
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struct sample_state *sample = state->data;
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configure_layout(sample);
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// reset the image
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struct wlr_output_layout_output *l_output = wlr_output_layout_get(sample->layout, sample->main_output);
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sample->x_offs = l_output->x + 20;
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sample->y_offs = l_output->y + 20;
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}
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static void handle_output_add(struct output_state *output) {
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static void handle_output_add(struct output_state *output) {
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struct sample_state *sample = output->compositor->data;
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struct sample_state *sample = output->compositor->data;
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bool found = false;
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struct output_config *conf;
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wl_list_for_each(conf, &sample->config, link) {
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if (strcmp(conf->name, output->output->name) == 0) {
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wlr_output_layout_add(sample->layout, output->output,
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conf->x, conf->y);
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wlr_output_transform(output->output, conf->transform);
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if (!sample->main_output) {
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sample->main_output = output->output;
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sample->x_offs = conf->x + 20;
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sample->y_offs = conf->y + 20;
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}
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wlr_log(L_DEBUG, "Adding output to layout: %s", output->output->name);
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found = true;
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break;
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}
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}
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// if it's not in the config, just place it next to the rightmost output
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if (!found) {
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int x = 0;
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struct output_state *_output;
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wl_list_for_each(_output, &sample->outputs, link) {
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struct wlr_output_layout_output *layout_output =
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wlr_output_layout_get(sample->layout, _output->output);
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if (layout_output && layout_output->output) {
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x += layout_output->x + _output->output->width;
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}
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}
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wlr_output_layout_add(sample->layout, output->output, x, 0);
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if (wl_list_empty(&sample->config) && !sample->main_output) {
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sample->main_output = output->output;
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sample->x_offs = x + 20;
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sample->y_offs = 20;
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}
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}
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wl_list_insert(&sample->outputs, &output->link);
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wl_list_insert(&sample->outputs, &output->link);
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configure_layout(sample);
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}
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}
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static void update_velocities(struct compositor_state *state,
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static void update_velocities(struct compositor_state *state,
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@ -287,6 +311,7 @@ int main(int argc, char *argv[]) {
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compositor.data = &state;
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compositor.data = &state;
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compositor.output_add_cb = handle_output_add;
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compositor.output_add_cb = handle_output_add;
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compositor.output_frame_cb = handle_output_frame;
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compositor.output_frame_cb = handle_output_frame;
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compositor.output_resolution_cb = handle_output_resolution;
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compositor.keyboard_key_cb = handle_keyboard_key;
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compositor.keyboard_key_cb = handle_keyboard_key;
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compositor_init(&compositor);
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compositor_init(&compositor);
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