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-rw-r--r--examples/config.c75
-rw-r--r--examples/config.h2
-rw-r--r--examples/pointer.c15
-rw-r--r--examples/wlr-example.ini.example8
4 files changed, 97 insertions, 3 deletions
diff --git a/examples/config.c b/examples/config.c
index 31aaa6d7..829350c1 100644
--- a/examples/config.c
+++ b/examples/config.c
@@ -7,6 +7,7 @@
#include <string.h>
#include <unistd.h>
#include <wlr/util/log.h>
+#include <wlr/types/wlr_geometry.h>
#include "shared.h"
#include "config.h"
#include "ini.h"
@@ -21,6 +22,64 @@ static void usage(const char *name, int ret) {
exit(ret);
}
+static struct wlr_geometry *parse_geometry(const char *str) {
+ // format: {width}x{height}+{x}+{y}
+ if (strlen(str) > 255l) {
+ wlr_log(L_ERROR, "cannot parse geometry string, too long");
+ return NULL;
+ }
+
+ char *buf = strdup(str);
+ struct wlr_geometry *geo = calloc(1, sizeof(struct wlr_geometry));
+
+ bool has_width, has_height, has_x, has_y;
+ char *pch = strtok(buf, "x+");
+ while (pch != NULL) {
+ errno = 0;
+ char *endptr;
+ long val = strtol(pch, &endptr, 0);
+
+ if ((errno == ERANGE && (val == LONG_MAX || val == LONG_MIN))
+ || (errno != 0 && val == 0)) {
+ goto invalid_input;
+ }
+
+ if (endptr == pch) {
+ goto invalid_input;
+ }
+
+ if (!has_width) {
+ geo->width = val;
+ has_width = true;
+ } else if (!has_height) {
+ geo->height = val;
+ has_height = true;
+ } else if (!has_x) {
+ geo->x = val;
+ has_x = true;
+ } else if (!has_y) {
+ geo->y = val;
+ has_y = true;
+ } else {
+ goto invalid_input;
+ }
+ pch = strtok(NULL, "x+");
+ }
+
+ if (!has_width || !has_height || !has_x || !has_y) {
+ goto invalid_input;
+ }
+
+ free(buf);
+ return geo;
+
+invalid_input:
+ wlr_log(L_ERROR, "could not parse geometry string: %s", str);
+ free(buf);
+ free(geo);
+ return NULL;
+}
+
static const char *output_prefix = "output:";
static const char *device_prefix = "device:";
@@ -71,6 +130,11 @@ static int config_ini_handler(void *user, const char *section, const char *name,
} else if (strcmp(section, "cursor") == 0) {
if (strcmp(name, "map-to-output") == 0) {
config->cursor.mapped_output = strdup(value);
+ } else if (strcmp(name, "geometry") == 0) {
+ if (config->cursor.mapped_geo) {
+ free(config->cursor.mapped_geo);
+ }
+ config->cursor.mapped_geo = parse_geometry(value);
} else {
wlr_log(L_ERROR, "got unknown cursor config: %s", name);
}
@@ -97,6 +161,11 @@ static int config_ini_handler(void *user, const char *section, const char *name,
free(dc->mapped_output);
}
dc->mapped_output = strdup(value);
+ } else if (strcmp(name, "geometry") == 0) {
+ if (dc->mapped_geo) {
+ free(dc->mapped_geo);
+ }
+ dc->mapped_geo = parse_geometry(value);
} else {
wlr_log(L_ERROR, "got unknown device config: %s", name);
}
@@ -166,6 +235,9 @@ void example_config_destroy(struct example_config *config) {
if (dc->mapped_output) {
free(dc->mapped_output);
}
+ if (dc->mapped_geo) {
+ free(dc->mapped_geo);
+ }
free(dc);
}
@@ -175,6 +247,9 @@ void example_config_destroy(struct example_config *config) {
if (config->cursor.mapped_output) {
free(config->cursor.mapped_output);
}
+ if (config->cursor.mapped_geo) {
+ free(config->cursor.mapped_geo);
+ }
free(config);
}
diff --git a/examples/config.h b/examples/config.h
index e1765c57..cd19dc5e 100644
--- a/examples/config.h
+++ b/examples/config.h
@@ -15,12 +15,14 @@ struct output_config {
struct device_config {
char *name;
char *mapped_output;
+ struct wlr_geometry *mapped_geo;
struct wl_list link;
};
struct example_config {
struct {
char *mapped_output;
+ struct wlr_geometry *mapped_geo;
} cursor;
struct wl_list outputs;
diff --git a/examples/pointer.c b/examples/pointer.c
index bec71dff..9492adab 100644
--- a/examples/pointer.c
+++ b/examples/pointer.c
@@ -63,14 +63,21 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
static void configure_devices(struct sample_state *sample) {
struct sample_input_device *dev;
- // reset device to output mappings
+ struct device_config *dc;
+
+ // reset device mappings
wl_list_for_each(dev, &sample->devices, link) {
wlr_cursor_map_input_to_output(sample->cursor, dev->device, NULL);
+ wl_list_for_each(dc, &sample->config->devices, link) {
+ if (strcmp(dev->device->name, dc->name) == 0) {
+ wlr_cursor_map_input_to_region(sample->cursor, dev->device,
+ dc->mapped_geo);
+ }
+ }
}
struct output_state *ostate;
wl_list_for_each(ostate, &sample->compositor->outputs, link) {
- struct device_config *dc;
wl_list_for_each(dc, &sample->config->devices, link) {
// configure device to output mappings
if (dc->mapped_output &&
@@ -123,7 +130,8 @@ static void handle_output_remove(struct output_state *ostate) {
configure_devices(sample);
- if (strcmp(sample->config->cursor.mapped_output, ostate->output->name) == 0) {
+ char *mapped_output = sample->config->cursor.mapped_output;
+ if (mapped_output && strcmp(mapped_output, ostate->output->name) == 0) {
wlr_cursor_map_to_output(sample->cursor, NULL);
}
}
@@ -216,6 +224,7 @@ int main(int argc, char *argv[]) {
state.config = parse_args(argc, argv);
state.cursor = wlr_cursor_init();
+ wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_geo);
wl_list_init(&state.devices);
wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);
diff --git a/examples/wlr-example.ini.example b/examples/wlr-example.ini.example
index ffb6229e..1698e0c6 100644
--- a/examples/wlr-example.ini.example
+++ b/examples/wlr-example.ini.example
@@ -34,8 +34,12 @@ y=232
# ~~~~~~~~~~~~~~~~~~~~
# Value "map-to-output" specifies the output to which the cursor is
# constrained.
+#
+# Value "geometry" specifies the geometry (widthxheight+x+y) to which the cursor
+# is constrained.
[cursor]
map-to-output=HDMI-A-1
+geometry=500x700+50+50
# Device Configuration
# ~~~~~~~~~~~~~~~~~~~~
@@ -43,7 +47,11 @@ map-to-output=HDMI-A-1
# name given to this device. See a log file for device names.
#
# Value "map-to-output" specifies the output to which the device is constrained.
+#
+# Value "geometry" specifies the geometry (widthxheight+x+y) to which the device
+# is constrained.
[device:Razer Razer DeathAdder 2013]
map-to-output=DP-1
+geometry=500x700+50+50
# vim:filetype=dosini
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-22 13:17:55 +0000