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Merge pull request #110 from acrisci/feature/refactor-example-config 

Refactor example output config
This commit is contained in:
Drew DeVault 2017-08-18 19:35:25 -04:00 committed by GitHub
parent a1551bccc0 e3edb08126
commit 01d9eda702
4 changed files with 181 additions and 231 deletions
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167
examples/output-layout.c
View File

@ -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);
}

84
examples/rotation.c
View File

@ -22,7 +22,7 @@
#include "cat.h"
struct sample_state {
struct wl_list config;
struct example_config *config;
struct wlr_renderer *renderer;
struct wlr_texture *cat_texture;
};
@ -32,12 +32,6 @@ struct output_data {
float x_vel, y_vel;
};
struct output_config {
char *name;
enum wl_output_transform transform;
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;
@ -81,7 +75,7 @@ static void handle_output_add(struct output_state *output) {
struct sample_state *state = output->compositor->data;
struct output_config *conf;
wl_list_for_each(conf, &state->config, link) {
wl_list_for_each(conf, &state->config->outputs, link) {
if (strcmp(conf->name, output->output->name) == 0) {
wlr_output_transform(output->output, conf->transform);
break;
@ -126,76 +120,9 @@ static void handle_keyboard_key(struct keyboard_state *kbstate,
}
}
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"
" -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: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 '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};
wl_list_init(&state.config);
parse_args(argc, argv, &state.config);
state.config = parse_args(argc, argv);
struct compositor_state compositor = { 0 };
compositor.data = &state;
@ -223,8 +150,5 @@ int main(int argc, char *argv[]) {
wlr_texture_destroy(state.cat_texture);
wlr_renderer_destroy(state.renderer);
struct output_config *ptr, *tmp;
wl_list_for_each_safe(ptr, tmp, &state.config, link) {
free(ptr);
}
example_config_destroy(state.config);
}

143
examples/shared.c
View File

@ -5,16 +5,159 @@
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include <limits.h>
#include <xkbcommon/xkbcommon.h>
#include <wayland-server-protocol.h>
#include <wlr/backend.h>
#include <wlr/backend/session.h>
#include <wlr/backend/multi.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/util/log.h>
#include "shared.h"
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);
}
struct example_config *parse_args(int argc, char *argv[]) {
struct example_config *config = calloc(1, sizeof(struct example_config));
wl_list_init(&config->outputs);
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->outputs, &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');
}
}
return config;
}
void example_config_destroy(struct example_config *config) {
struct output_config *oc, *tmp = NULL;
wl_list_for_each_safe(oc, tmp, &config->outputs, link) {
free(oc);
}
free(config);
}
struct wlr_output_layout *configure_layout(struct example_config *config, struct wl_list *outputs) {
struct wlr_output_layout *layout = wlr_output_layout_init();
int max_x = INT_MIN;
int max_x_y = INT_MIN; // y value for the max_x output
// first add all the configured outputs
struct output_state *output;
wl_list_for_each(output, outputs, link) {
struct output_config *conf;
wl_list_for_each(conf, &config->outputs, link) {
if (strcmp(conf->name, output->output->name) == 0) {
wlr_output_layout_add(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);
if (conf->x + width > max_x) {
max_x = conf->x + width;
max_x_y = conf->y;
}
break;
}
}
}
if (max_x == INT_MIN) {
// couldn't find a configured output
max_x = 0;
max_x_y = 0;
}
// now add all the other configured outputs in a sensible position
wl_list_for_each(output, outputs, link) {
if (wlr_output_layout_get(layout, output->output)) {
continue;
}
wlr_output_layout_add(layout, output->output, max_x, max_x_y);
int width, height;
wlr_output_effective_resolution(output->output, &width, &height);
max_x += width;
}
return layout;
}
static void keyboard_led_update(struct keyboard_state *kbstate) {
uint32_t leds = 0;
for (uint32_t i = 0; i < WLR_LED_LAST; ++i) {

18
examples/shared.h
View File

@ -12,6 +12,24 @@
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_input_device.h>
struct output_config {
char *name;
enum wl_output_transform transform;
int x, y;
struct wl_list link;
};
struct example_config {
struct wl_list outputs;
};
struct example_config *parse_args(int argc, char *argv[]);
void example_config_destroy(struct example_config *config);
struct wlr_output_layout *configure_layout(struct example_config *config,
struct wl_list *outputs);
struct output_state {
struct compositor_state *compositor;
struct wlr_output *output;