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Refactor example output config

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Put all the config parsing into shared.h so it is shared among the examples.
This commit is contained in:
Tony Crisci 2017-08-18 17:44:10 -04:00
parent a1551bccc0
commit 769549c652
4 changed files with 119 additions and 178 deletions
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103
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;
@ -134,13 +127,13 @@ 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;
int max_x = wl_list_empty(&sample->config->outputs) ? 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) {
wl_list_for_each(conf, &sample->config->outputs, link) {
if (strcmp(conf->name, output->output->name) == 0) {
wlr_output_layout_add(sample->layout, output->output,
conf->x, conf->y);
@ -224,88 +217,6 @@ 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 +224,8 @@ 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 +247,5 @@ 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);
}

95
examples/shared.c
View file

@ -5,6 +5,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include <xkbcommon/xkbcommon.h>
#include <wayland-server-protocol.h>
#include <wlr/backend.h>
@ -15,6 +16,100 @@
#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);
}
static void keyboard_led_update(struct keyboard_state *kbstate) {
uint32_t leds = 0;
for (uint32_t i = 0; i < WLR_LED_LAST; ++i) {

15
examples/shared.h
View file

@ -12,6 +12,21 @@
#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 output_state {
struct compositor_state *compositor;
struct wlr_output *output;