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-rw-r--r--examples/output-layout.c167
1 files changed, 16 insertions, 151 deletions
diff --git a/examples/output-layout.c b/examples/output-layout.c
index c16af634..dd43d2f4 100644
--- a/examples/output-layout.c
+++ b/examples/output-layout.c
@@ -25,7 +25,7 @@
#include "cat.h"
struct sample_state {
- struct wl_list config;
+ struct example_config *config;
struct wlr_renderer *renderer;
struct wlr_texture *cat_texture;
struct wlr_output_layout *layout;
@@ -35,13 +35,6 @@ struct sample_state {
struct wl_list outputs;
};
-struct output_config {
- char *name;
- enum wl_output_transform transform;
- int x, y;
- struct wl_list link;
-};
-
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
@@ -126,71 +119,29 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
}
}
-static inline int max(int a, int b) {
- return a < b ? b : a;
-}
-
-static void configure_layout(struct sample_state *sample) {
- wlr_output_layout_destroy(sample->layout);
- sample->layout = wlr_output_layout_init();
- sample->main_output = NULL;
- int max_x = wl_list_empty(&sample->config) ? 0 : INT_MIN;
-
- // first add all the configure outputs
- struct output_state *output;
- wl_list_for_each(output, &sample->outputs, link) {
- struct output_config *conf;
- wl_list_for_each(conf, &sample->config, link) {
- if (strcmp(conf->name, output->output->name) == 0) {
- wlr_output_layout_add(sample->layout, output->output,
- conf->x, conf->y);
- wlr_output_transform(output->output, conf->transform);
- int width, height;
- wlr_output_effective_resolution(output->output, &width, &height);
- max_x = max(max_x, conf->x + width);
-
- if (!sample->main_output) {
- sample->main_output = output->output;
- sample->x_offs = conf->x + 20;
- sample->y_offs = conf->y + 20;
- }
- break;
- }
- }
- }
-
- // now add all the other configured outputs in a sensible position
- wl_list_for_each(output, &sample->outputs, link) {
- if (wlr_output_layout_get(sample->layout, output->output)) {
- continue;
- }
- wlr_output_layout_add(sample->layout, output->output, max_x, 0);
- int width, height;
- wlr_output_effective_resolution(output->output, &width, &height);
- wlr_output_effective_resolution(output->output, &width, &height);
- if (!sample->main_output) {
- sample->main_output = output->output;
- sample->x_offs = max_x + 200;
- sample->y_offs = 200;
- }
- max_x += width;
- }
+static void set_main_output(struct sample_state *sample,
+ struct wlr_output *output) {
+ sample->main_output = output;
+ struct wlr_output_layout_output *l_output;
+ l_output = wlr_output_layout_get(sample->layout, output);
+ sample->x_offs = l_output->x + 200;
+ sample->y_offs = l_output->y + 200;
}
static void handle_output_resolution(struct compositor_state *state, struct output_state *output) {
struct sample_state *sample = state->data;
- configure_layout(sample);
+ wlr_output_layout_destroy(sample->layout);
+ sample->layout = configure_layout(sample->config, &sample->outputs);
+ set_main_output(sample, output->output);
- // reset the image
- struct wlr_output_layout_output *l_output = wlr_output_layout_get(sample->layout, sample->main_output);
- sample->x_offs = l_output->x + 20;
- sample->y_offs = l_output->y + 20;
}
static void handle_output_add(struct output_state *output) {
struct sample_state *sample = output->compositor->data;
wl_list_insert(&sample->outputs, &output->link);
- configure_layout(sample);
+ wlr_output_layout_destroy(sample->layout);
+ sample->layout = configure_layout(sample->config, &sample->outputs);
+ set_main_output(sample, output->output);
}
static void update_velocities(struct compositor_state *state,
@@ -224,88 +175,6 @@ static void handle_keyboard_key(struct keyboard_state *kbstate, uint32_t keycode
}
}
-static void usage(const char *name, int ret) {
- fprintf(stderr,
- "usage: %s [-d <name> [-r <rotation> | -f]]*\n"
- "\n"
- " -o <output> The name of the DRM display. e.g. DVI-I-1.\n"
- " -r <rotation> The rotation counter clockwise. Valid values are 90, 180, 270.\n"
- " -x <position> The X-axis coordinate position of this output in the layout.\n"
- " -y <position> The Y-axis coordinate position of this output in the layout.\n"
- " -f Flip the output along the vertical axis.\n", name);
-
- exit(ret);
-}
-
-static void parse_args(int argc, char *argv[], struct wl_list *config) {
- struct output_config *oc = NULL;
-
- int c;
- while ((c = getopt(argc, argv, "o:r:x:y:fh")) != -1) {
- switch (c) {
- case 'o':
- oc = calloc(1, sizeof(*oc));
- oc->name = optarg;
- oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
- wl_list_insert(config, &oc->link);
- break;
- case 'r':
- if (!oc) {
- fprintf(stderr, "You must specify an output first\n");
- usage(argv[0], 1);
- }
-
- if (oc->transform != WL_OUTPUT_TRANSFORM_NORMAL
- && oc->transform != WL_OUTPUT_TRANSFORM_FLIPPED) {
- fprintf(stderr, "Rotation for %s already specified\n", oc->name);
- usage(argv[0], 1);
- }
-
- if (strcmp(optarg, "90") == 0) {
- oc->transform += WL_OUTPUT_TRANSFORM_90;
- } else if (strcmp(optarg, "180") == 0) {
- oc->transform += WL_OUTPUT_TRANSFORM_180;
- } else if (strcmp(optarg, "270") == 0) {
- oc->transform += WL_OUTPUT_TRANSFORM_270;
- } else {
- fprintf(stderr, "Invalid rotation '%s'\n", optarg);
- usage(argv[0], 1);
- }
- break;
- case 'x':
- if (!oc) {
- fprintf(stderr, "You must specify an output first\n");
- usage(argv[0], 1);
- }
- oc->x = strtol(optarg, NULL, 0);
- break;
- case 'y':
- if (!oc) {
- fprintf(stderr, "You must specify an output first\n");
- usage(argv[0], 1);
- }
- oc->y = strtol(optarg, NULL, 0);
- break;
- case 'f':
- if (!oc) {
- fprintf(stderr, "You must specify an output first\n");
- usage(argv[0], 1);
- }
-
- if (oc->transform >= WL_OUTPUT_TRANSFORM_FLIPPED) {
- fprintf(stderr, "Flip for %s already specified\n", oc->name);
- usage(argv[0], 1);
- }
-
- oc->transform += WL_OUTPUT_TRANSFORM_FLIPPED;
- break;
- case 'h':
- case '?':
- usage(argv[0], c != 'h');
- }
- }
-}
-
int main(int argc, char *argv[]) {
struct sample_state state = {0};
@@ -313,9 +182,8 @@ int main(int argc, char *argv[]) {
state.y_vel = 500;
state.layout = wlr_output_layout_init();
- wl_list_init(&state.config);
wl_list_init(&state.outputs);
- parse_args(argc, argv, &state.config);
+ state.config = parse_args(argc, argv);
struct compositor_state compositor = { 0 };
compositor.data = &state;
@@ -337,8 +205,5 @@ int main(int argc, char *argv[]) {
wlr_output_layout_destroy(state.layout);
- struct output_config *ptr, *tmp;
- wl_list_for_each_safe(ptr, tmp, &state.config, link) {
- free(ptr);
- }
+ example_config_destroy(state.config);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-20 15:26:02 +0000