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-rw-r--r--backend/drm/drm.c27
-rw-r--r--examples/pointer.c162
-rw-r--r--examples/shared.c4
-rw-r--r--examples/shared.h2
-rw-r--r--include/wlr/types/wlr_cursor.h81
-rw-r--r--types/meson.build1
-rw-r--r--types/wlr_cursor.c206
7 files changed, 430 insertions, 53 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 332926b9..5b24e05f 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -598,6 +598,8 @@ static bool wlr_drm_output_set_cursor(struct wlr_output *_output,
wlr_matrix_texture(plane->matrix, plane->width, plane->height,
output->output.transform ^ WL_OUTPUT_TRANSFORM_FLIPPED_180);
+ // TODO the image needs to be rotated depending on the output rotation
+
plane->wlr_rend = wlr_gles2_renderer_create(&backend->backend);
if (!plane->wlr_rend) {
return false;
@@ -651,6 +653,31 @@ static bool wlr_drm_output_move_cursor(struct wlr_output *_output,
struct wlr_drm_output *output = (struct wlr_drm_output *)_output;
struct wlr_drm_backend *backend =
wl_container_of(output->renderer, backend, renderer);
+
+ int width, height, tmp;
+ wlr_output_effective_resolution(_output, &width, &height);
+
+ switch (_output->transform) {
+ case WL_OUTPUT_TRANSFORM_NORMAL:
+ // nothing to do
+ break;
+ case WL_OUTPUT_TRANSFORM_270:
+ tmp = x;
+ x = y;
+ y = -(tmp - width);
+ break;
+ case WL_OUTPUT_TRANSFORM_90:
+ tmp = x;
+ x = -(y - height);
+ y = tmp;
+ break;
+ default:
+ // TODO other transformations
+ wlr_log(L_ERROR, "TODO: handle surface to crtc for transformation = %d",
+ _output->transform);
+ break;
+ }
+
return backend->iface->crtc_move_cursor(backend, output->crtc, x, y);
}
diff --git a/examples/pointer.c b/examples/pointer.c
index 12253b62..0092c633 100644
--- a/examples/pointer.c
+++ b/examples/pointer.c
@@ -6,6 +6,7 @@
#include <string.h>
#include <unistd.h>
#include <math.h>
+#include <assert.h>
#include <wayland-server.h>
#include <wayland-server-protocol.h>
#include <xkbcommon/xkbcommon.h>
@@ -16,16 +17,27 @@
#include <wlr/backend.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_keyboard.h>
+#include <wlr/types/wlr_output_layout.h>
#include <wlr/xcursor.h>
+#include <wlr/types/wlr_cursor.h>
#include <wlr/util/log.h>
#include "shared.h"
#include "cat.h"
struct sample_state {
- struct wlr_xcursor *cursor;
+ struct compositor_state *compositor;
+ struct example_config *config;
+ struct wlr_xcursor *xcursor;
+ struct wlr_cursor *cursor;
double cur_x, cur_y;
float default_color[4];
float clear_color[4];
+ struct wlr_output_layout *layout;
+
+ struct wl_listener cursor_motion;
+ struct wl_listener cursor_motion_absolute;
+ struct wl_listener cursor_button;
+ struct wl_listener cursor_axis;
};
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
@@ -42,59 +54,95 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_output_swap_buffers(wlr_output);
}
-static void handle_pointer_motion(struct pointer_state *pstate,
- double d_x, double d_y) {
- struct sample_state *state = pstate->compositor->data;
- state->cur_x += d_x;
- state->cur_y += d_y;
+static void handle_output_add(struct output_state *ostate) {
+ struct sample_state *sample = ostate->compositor->data;
+ struct wlr_output *wlr_output = ostate->output;
+ struct wlr_xcursor_image *image = sample->xcursor->images[0];
- struct wlr_xcursor_image *image = state->cursor->images[0];
+ wlr_output_layout_destroy(sample->layout);
+ sample->layout = configure_layout(sample->config, &ostate->compositor->outputs);
+ wlr_cursor_attach_output_layout(sample->cursor, sample->layout);
- struct output_state *output;
- wl_list_for_each(output, &pstate->compositor->outputs, link) {
- wlr_output_move_cursor(output->output,
- state->cur_x - image->hotspot_x,
- state->cur_y - image->hotspot_y);
+ if (!wlr_output_set_cursor(wlr_output, image->buffer,
+ image->width, image->width, image->height)) {
+ wlr_log(L_DEBUG, "Failed to set hardware cursor");
+ return;
+ }
+ if (!wlr_output_move_cursor(wlr_output, 0, 0)) {
+ wlr_log(L_DEBUG, "Failed to move hardware cursor");
}
}
-static void handle_pointer_motion_absolute(struct pointer_state *pstate,
- double x, double y) {
- struct sample_state *state = pstate->compositor->data;
- state->cur_x = x;
- state->cur_y = y;
+static void handle_output_remove(struct output_state *ostate) {
+ struct sample_state *sample = ostate->compositor->data;
+ wlr_output_layout_destroy(sample->layout);
+ sample->layout = configure_layout(sample->config, &ostate->compositor->outputs);
+ wlr_cursor_attach_output_layout(sample->cursor, sample->layout);
+}
+
+static void handle_output_resolution(struct compositor_state *state,
+ struct output_state *ostate) {
+ struct sample_state *sample = ostate->compositor->data;
+ wlr_output_layout_destroy(sample->layout);
+ sample->layout = configure_layout(sample->config, &ostate->compositor->outputs);
+ wlr_cursor_attach_output_layout(sample->cursor, sample->layout);
+}
+
+static void handle_input_add(struct compositor_state *state, struct
+ wlr_input_device *device) {
+ struct sample_state *sample = state->data;
+
+ // TODO handle other input devices
+ if (device->type == WLR_INPUT_DEVICE_POINTER) {
+ wlr_cursor_attach_input_device(sample->cursor, device);
+ }
+}
+
+static void handle_cursor_motion(struct wl_listener *listener, void *data) {
+ struct sample_state *sample = wl_container_of(listener, sample, cursor_motion);
+ struct wlr_event_pointer_motion *event = data;
+ wlr_cursor_move(sample->cursor, event->delta_x, event->delta_y);
+}
+
+static void handle_cursor_motion_absolute(struct wl_listener *listener, void *data) {
+ struct sample_state *sample = wl_container_of(listener, sample, cursor_motion_absolute);
+ struct wlr_event_pointer_motion_absolute *event = data;
+
+ sample->cur_x = event->x_mm;
+ sample->cur_y = event->y_mm;
- struct wlr_xcursor_image *image = state->cursor->images[0];
+ struct wlr_xcursor_image *image = sample->xcursor->images[0];
struct output_state *output;
- wl_list_for_each(output, &pstate->compositor->outputs, link) {
+ wl_list_for_each(output, &sample->compositor->outputs, link) {
wlr_output_move_cursor(output->output,
- state->cur_x - image->hotspot_x,
- state->cur_y - image->hotspot_y);
+ sample->cur_x - image->hotspot_x,
+ sample->cur_y - image->hotspot_y);
}
}
-static void handle_pointer_button(struct pointer_state *pstate,
- uint32_t button, enum wlr_button_state state) {
- struct sample_state *sample = pstate->compositor->data;
+static void handle_cursor_button(struct wl_listener *listener, void *data) {
+ struct sample_state *sample = wl_container_of(listener, sample, cursor_button);
+ struct wlr_event_pointer_button *event = data;
+
float (*color)[4];
- if (state == WLR_BUTTON_RELEASED) {
+ if (event->state == WLR_BUTTON_RELEASED) {
color = &sample->default_color;
+ memcpy(&sample->clear_color, color, sizeof(*color));
} else {
float red[4] = { 0.25f, 0.25f, 0.25f, 1 };
- red[button % 3] = 1;
+ red[event->button % 3] = 1;
color = &red;
+ memcpy(&sample->clear_color, color, sizeof(*color));
}
- memcpy(&sample->clear_color, color, sizeof(*color));
}
-static void handle_pointer_axis(struct pointer_state *pstate,
- enum wlr_axis_source source,
- enum wlr_axis_orientation orientation,
- double delta) {
- struct sample_state *sample = pstate->compositor->data;
+static void handle_cursor_axis(struct wl_listener *listener, void *data) {
+ struct sample_state *sample = wl_container_of(listener, sample, cursor_axis);
+ struct wlr_event_pointer_axis *event = data;
+
for (size_t i = 0; i < 3; ++i) {
- sample->default_color[i] += delta > 0 ? -0.05f : 0.05f;
+ sample->default_color[i] += event->delta > 0 ? -0.05f : 0.05f;
if (sample->default_color[i] > 1.0f) {
sample->default_color[i] = 1.0f;
}
@@ -102,52 +150,60 @@ static void handle_pointer_axis(struct pointer_state *pstate,
sample->default_color[i] = 0.0f;
}
}
+
memcpy(&sample->clear_color, &sample->default_color,
sizeof(sample->clear_color));
}
-static void handle_output_add(struct output_state *ostate) {
- struct sample_state *state = ostate->compositor->data;
- struct wlr_output *wlr_output = ostate->output;
- struct wlr_xcursor_image *image = state->cursor->images[0];
- if (!wlr_output_set_cursor(wlr_output, image->buffer,
- image->width, image->width, image->height)) {
- wlr_log(L_DEBUG, "Failed to set hardware cursor");
- return;
- }
- if (!wlr_output_move_cursor(wlr_output, 0, 0)) {
- wlr_log(L_DEBUG, "Failed to move hardware cursor");
- }
-}
-
int main(int argc, char *argv[]) {
struct sample_state state = {
.default_color = { 0.25f, 0.25f, 0.25f, 1 },
.clear_color = { 0.25f, 0.25f, 0.25f, 1 }
};
+
+ state.config = parse_args(argc, argv);
+ state.cursor = wlr_cursor_init();
+
+ wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);
+ state.cursor_motion.notify = handle_cursor_motion;
+
+ wl_signal_add(&state.cursor->events.motion_absolute, &state.cursor_motion_absolute);
+ state.cursor_motion_absolute.notify = handle_cursor_motion_absolute;
+
+ wl_signal_add(&state.cursor->events.button, &state.cursor_button);
+ state.cursor_button.notify = handle_cursor_button;
+
+ wl_signal_add(&state.cursor->events.axis, &state.cursor_axis);
+ state.cursor_axis.notify = handle_cursor_axis;
+
struct compositor_state compositor = { 0 };
compositor.data = &state;
compositor.output_add_cb = handle_output_add;
+ compositor.output_remove_cb = handle_output_remove;
+ compositor.output_resolution_cb = handle_output_resolution;
compositor.output_frame_cb = handle_output_frame;
- compositor.pointer_motion_cb = handle_pointer_motion;
- compositor.pointer_motion_absolute_cb = handle_pointer_motion_absolute;
- compositor.pointer_button_cb = handle_pointer_button;
- compositor.pointer_axis_cb = handle_pointer_axis;
+ compositor.input_add_cb = handle_input_add;
+
+ state.compositor = &compositor;
struct wlr_xcursor_theme *theme = wlr_xcursor_theme_load("default", 16);
if (!theme) {
wlr_log(L_ERROR, "Failed to load cursor theme");
return 1;
}
- state.cursor = wlr_xcursor_theme_get_cursor(theme, "left_ptr");
- if (!state.cursor) {
+ state.xcursor = wlr_xcursor_theme_get_cursor(theme, "left_ptr");
+ if (!state.xcursor) {
wlr_log(L_ERROR, "Failed to load left_ptr cursor");
return 1;
}
+ wlr_cursor_set_xcursor(state.cursor, state.xcursor);
+
compositor_init(&compositor);
wl_display_run(compositor.display);
compositor_fini(&compositor);
wlr_xcursor_theme_destroy(theme);
+ example_config_destroy(state.config);
+ wlr_cursor_destroy(state.cursor);
}
diff --git a/examples/shared.c b/examples/shared.c
index f37140cf..1dad8016 100644
--- a/examples/shared.c
+++ b/examples/shared.c
@@ -441,6 +441,10 @@ static void input_add_notify(struct wl_listener *listener, void *data) {
default:
break;
}
+
+ if (state->input_add_cb) {
+ state->input_add_cb(state, device);
+ }
}
static void keyboard_remove(struct wlr_input_device *device, struct compositor_state *state) {
diff --git a/examples/shared.h b/examples/shared.h
index d8007753..d9972ffd 100644
--- a/examples/shared.h
+++ b/examples/shared.h
@@ -93,6 +93,8 @@ struct tablet_pad_state {
};
struct compositor_state {
+ void (*input_add_cb)(struct compositor_state *compositor,
+ struct wlr_input_device *device);
void (*output_add_cb)(struct output_state *s);
void (*keyboard_add_cb)(struct keyboard_state *s);
void (*output_frame_cb)(struct output_state *s, struct timespec *ts);
diff --git a/include/wlr/types/wlr_cursor.h b/include/wlr/types/wlr_cursor.h
new file mode 100644
index 00000000..1ea089ef
--- /dev/null
+++ b/include/wlr/types/wlr_cursor.h
@@ -0,0 +1,81 @@
+#ifndef _WLR_TYPES_CURSOR_H
+#define _WLR_TYPES_CURSOR_H
+#include <wayland-server.h>
+#include <wlr/types/wlr_output.h>
+#include <wlr/types/wlr_output_layout.h>
+#include <wlr/types/wlr_input_device.h>
+#include <wlr/xcursor.h>
+
+struct wlr_cursor_state;
+//struct wlr_cursor_impl *;
+
+struct wlr_cursor {
+ struct wlr_cursor_state *state;
+ //struct wlr_cursor_impl *impl;
+ int x, y;
+
+ struct {
+ struct wl_signal motion;
+ struct wl_signal motion_absolute;
+ struct wl_signal button;
+ struct wl_signal axis;
+ } events;
+};
+
+struct wlr_cursor *wlr_cursor_init();
+
+void wlr_cursor_destroy(struct wlr_cursor *cur);
+
+void wlr_cursor_set_xcursor(struct wlr_cursor *cur, struct wlr_xcursor *xcur);
+
+void wlr_cursor_warp(struct wlr_cursor *cur, double x, double y);
+
+void wlr_cursor_move(struct wlr_cursor *cur, double delta_x, double delta_y);
+
+/**
+ * Attaches this input device to this cursor. The input device must be one of:
+ *
+ * - WLR_INPUT_DEVICE_POINTER
+ * - WLR_INPUT_DEVICE_TOUCH
+ * - WLR_INPUT_DEVICE_TABLET_TOOL
+ */
+void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
+ struct wlr_input_device *dev);
+
+void wlr_cursor_detach_input_device(struct wlr_cursor *cur,
+ struct wlr_input_device *dev);
+/**
+ * Uses the given layout to establish the boundaries and movement semantics of
+ * this cursor. Cursors without an output layout allow infinite movement in any
+ * direction and do not support absolute input events.
+ */
+void wlr_cursor_attach_output_layout(struct wlr_cursor *cur,
+ struct wlr_output_layout *l);
+
+/**
+ * Attaches this cursor to the given output, which must be among the outputs in
+ * the current output_layout for this cursor. This call is invalid for a cursor
+ * without an associated output layout.
+ */
+void wlr_cursor_map_to_output(struct wlr_cursor *cur, struct wlr_output *output);
+
+/**
+ * Maps all input from a specific input device to a given output. The input
+ * device must be attached to this cursor and the output must be among the
+ * outputs in the attached output layout.
+ */
+void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
+ struct wlr_input_device *dev, struct wlr_output *output);
+
+/**
+ * Maps this cursor to an arbitrary region on the associated wlr_output_layout.
+ */
+//void wlr_cursor_map_to_region(struct wlr_cursor *cur, struct wlr_geometry *geo);
+
+/**
+ * Maps inputs from this input device to an arbitrary region on the associated
+ * wlr_output_layout.
+ */
+//void wlr_cursor_map_input_to_region(struct wlr_cursor *cur, struct wlr_input_device *dev, struct wlr_geometry *geo);
+
+#endif
diff --git a/types/meson.build b/types/meson.build
index 83b4647c..3992c6e9 100644
--- a/types/meson.build
+++ b/types/meson.build
@@ -6,6 +6,7 @@ lib_wlr_types = static_library('wlr_types', files(
'wlr_output.c',
'wlr_output_layout.c',
'wlr_pointer.c',
+ 'wlr_cursor.c',
'wlr_region.c',
'wlr_seat.c',
'wlr_surface.c',
diff --git a/types/wlr_cursor.c b/types/wlr_cursor.c
new file mode 100644
index 00000000..ed53fa7e
--- /dev/null
+++ b/types/wlr_cursor.c
@@ -0,0 +1,206 @@
+#include <wlr/types/wlr_cursor.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <wlr/util/log.h>
+#include <wayland-server.h>
+#include <wlr/types/wlr_output.h>
+#include <wlr/types/wlr_output_layout.h>
+#include <wlr/types/wlr_input_device.h>
+
+struct wlr_cursor_device {
+ struct wlr_cursor *cursor;
+ struct wlr_input_device *device;
+ struct wl_list link;
+
+ struct wl_listener motion;
+ struct wl_listener motion_absolute;
+ struct wl_listener button;
+ struct wl_listener axis;
+};
+
+struct wlr_cursor_state {
+ struct wl_list devices;
+ struct wlr_output_layout *layout;
+ struct wlr_xcursor *xcursor;
+};
+
+struct wlr_cursor *wlr_cursor_init() {
+ struct wlr_cursor *cur = calloc(1, sizeof(struct wlr_cursor));
+ if (!cur) {
+ wlr_log(L_ERROR, "Failed to allocate wlr_cursor");
+ return NULL;
+ }
+
+ cur->state = calloc(1, sizeof(struct wlr_cursor_state));
+ if (!cur->state) {
+ wlr_log(L_ERROR, "Failed to allocate wlr_cursor_state");
+ return NULL;
+ }
+
+ wl_list_init(&cur->state->devices);
+
+ wl_signal_init(&cur->events.motion);
+ wl_signal_init(&cur->events.motion_absolute);
+ wl_signal_init(&cur->events.button);
+ wl_signal_init(&cur->events.axis);
+
+ cur->x = 100;
+ cur->y = 100;
+
+ return cur;
+}
+
+void wlr_cursor_destroy(struct wlr_cursor *cur) {
+ struct wlr_cursor_device *device;
+ wl_list_for_each(device, &cur->state->devices, link) {
+ wl_list_remove(&device->link);
+ free(device);
+ }
+
+ free(cur);
+}
+
+void wlr_cursor_set_xcursor(struct wlr_cursor *cur, struct wlr_xcursor *xcur) {
+ cur->state->xcursor = xcur;
+}
+
+void wlr_cursor_warp(struct wlr_cursor *cur, double x, double y) {
+}
+
+void wlr_cursor_move(struct wlr_cursor *cur, double delta_x, double delta_y) {
+ //struct wlr_output *current_output;
+ //current_output = wlr_output_layout_output_at(cur->state->layout, cur->x, cur->y);
+
+ // TODO handle no layout
+ assert(cur->state->layout);
+ // TODO handle layout boundaries
+ double new_x = cur->x + delta_x;
+ double new_y = cur->y + delta_y;
+ int hotspot_x = 0;
+ int hotspot_y = 0;
+
+ if (cur->state->xcursor && cur->state->xcursor->image_count > 0) {
+ struct wlr_xcursor_image *image = cur->state->xcursor->images[0];
+ hotspot_x = image->hotspot_x;
+ hotspot_y = image->hotspot_y;
+ }
+
+ struct wlr_output *output;
+ output = wlr_output_layout_output_at(cur->state->layout, new_x, new_y);
+
+ if (output) {
+ int output_x = new_x;
+ int output_y = new_y;
+
+ // TODO fix double to int rounding issues
+ wlr_output_layout_output_coords(cur->state->layout, output, &output_x, &output_y);
+ wlr_output_move_cursor(output, output_x - hotspot_x, output_y - hotspot_y);
+
+ cur->x = new_x;
+ cur->y = new_y;
+ }
+}
+
+static void handle_pointer_motion(struct wl_listener *listener, void *data) {
+ struct wlr_event_pointer_motion *event = data;
+ struct wlr_cursor_device *device = wl_container_of(listener, device, motion);
+ wl_signal_emit(&device->cursor->events.motion, event);
+}
+
+static void handle_pointer_motion_absolute(struct wl_listener *listener, void *data) {
+ struct wlr_event_pointer_motion_absolute *event = data;
+ struct wlr_cursor_device *device = wl_container_of(listener, device, motion_absolute);
+ wl_signal_emit(&device->cursor->events.motion_absolute, event);
+}
+
+static void handle_pointer_button(struct wl_listener *listener, void *data) {
+ struct wlr_event_pointer_button *event = data;
+ struct wlr_cursor_device *device = wl_container_of(listener, device, button);
+ wl_signal_emit(&device->cursor->events.button, event);
+}
+
+static void handle_pointer_axis(struct wl_listener *listener, void *data) {
+ struct wlr_event_pointer_axis *event = data;
+ struct wlr_cursor_device *device = wl_container_of(listener, device, axis);
+ wl_signal_emit(&device->cursor->events.axis, event);
+}
+
+void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
+ struct wlr_input_device *dev) {
+ if (dev->type != WLR_INPUT_DEVICE_POINTER &&
+ dev->type != WLR_INPUT_DEVICE_TOUCH &&
+ dev->type != WLR_INPUT_DEVICE_TABLET_TOOL) {
+ wlr_log(L_ERROR, "only device types of pointer, touch or tablet tool are"
+ "supported");
+ return;
+ }
+
+ // TODO support other device types
+ if (dev->type != WLR_INPUT_DEVICE_POINTER) {
+ wlr_log(L_ERROR, "TODO: support touch and tablet tool devices");
+ return;
+ }
+
+ // make sure it is not already attached
+ struct wlr_cursor_device *_dev;
+ wl_list_for_each(_dev, &cur->state->devices, link) {
+ if (_dev->device == dev) {
+ return;
+ }
+ }
+
+ struct wlr_cursor_device *device = calloc(1, sizeof(struct wlr_cursor_device));
+ if (!device) {
+ wlr_log(L_ERROR, "Failed to allocate wlr_cursor_device");
+ return;
+ }
+
+ device->cursor = cur;
+ device->device = dev;
+
+ // listen to events
+ wl_signal_add(&dev->pointer->events.motion, &device->motion);
+ device->motion.notify = handle_pointer_motion;
+
+ wl_signal_add(&dev->pointer->events.motion_absolute, &device->motion_absolute);
+ device->motion_absolute.notify = handle_pointer_motion_absolute;
+
+ wl_signal_add(&dev->pointer->events.button, &device->button);
+ device->button.notify = handle_pointer_button;
+
+ wl_signal_add(&dev->pointer->events.axis, &device->axis);
+ device->axis.notify = handle_pointer_axis;
+
+ wl_list_insert(&cur->state->devices, &device->link);
+}
+
+void wlr_cursor_detach_input_device(struct wlr_cursor *cur,
+ struct wlr_input_device *dev) {
+ struct wlr_cursor_device *target_device = NULL, *_device = NULL;
+ wl_list_for_each(_device, &cur->state->devices, link) {
+ if (_device->device == dev) {
+ target_device = _device;
+ break;
+ }
+ }
+
+ if (target_device) {
+ wl_list_remove(&target_device->link);
+ free(target_device);
+ }
+}
+
+void wlr_cursor_attach_output_layout(struct wlr_cursor *cur,
+ struct wlr_output_layout *l) {
+ cur->state->layout = l;
+}
+
+void wlr_cursor_map_to_output(struct wlr_cursor *cur,
+ struct wlr_output *output) {
+ wlr_log(L_DEBUG, "TODO: map to output");
+}
+
+void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
+ struct wlr_input_device *dev, struct wlr_output *output) {
+ wlr_log(L_DEBUG, "TODO map input to output");
+}