hyprwm
/
wlroots-hyprland
mirror of https://github.com/hyprwm/wlroots-hyprland.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add pointer example

This commit is contained in:
Drew DeVault 2017-06-13 12:21:36 -04:00
parent a63230e59c
commit 2f9fd72fdc
4 changed files with 174 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
example/CMakeLists.txt
View File

@ -27,3 +27,16 @@ target_link_libraries(rotation
wlr-render
${XKBCOMMON_LIBRARIES}
)
add_executable(pointer
pointer.c
shared.c
cat.c
)
target_link_libraries(pointer
wlr-backend
wlr-session
wlr-render
${XKBCOMMON_LIBRARIES}
)

77
example/pointer.c Normal file
View File

@ -0,0 +1,77 @@
#define _POSIX_C_SOURCE 199309L
#define _XOPEN_SOURCE 500
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <unistd.h>
#include <wayland-server.h>
#include <wayland-server-protocol.h>
#include <xkbcommon/xkbcommon.h>
#include <GLES3/gl3.h>
#include <wlr/render/matrix.h>
#include <wlr/render/gles3.h>
#include <wlr/render.h>
#include <wlr/backend.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <math.h>
#include "shared.h"
#include "cat.h"
struct sample_state {
struct wlr_renderer *renderer;
struct wlr_surface *cat_texture;
int cur_x, cur_y;
};
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct wlr_output *wlr_output = output->output;
wlr_renderer_begin(sample->renderer, wlr_output);
float matrix[16];
wlr_surface_get_matrix(sample->cat_texture, &matrix,
&wlr_output->transform_matrix, sample->cur_x, sample->cur_y);
wlr_render_with_matrix(sample->renderer,
sample->cat_texture, &matrix);
wlr_renderer_end(sample->renderer);
}
static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
}
}
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;
}
int main(int argc, char *argv[]) {
struct sample_state state = { 0 };
struct compositor_state compositor;
compositor_init(&compositor);
compositor.output_frame_cb = handle_output_frame;
compositor.pointer_motion_cb = handle_pointer_motion;
compositor.keyboard_key_cb = handle_keyboard_key;
state.renderer = wlr_gles3_renderer_init();
state.cat_texture = wlr_render_surface_init(state.renderer);
wlr_surface_attach_pixels(state.cat_texture, GL_RGB,
cat_tex.width, cat_tex.height, cat_tex.pixel_data);
compositor.data = &state;
compositor_run(&compositor);
wlr_surface_destroy(state.cat_texture);
wlr_renderer_destroy(state.renderer);
}

82
example/shared.c
View File

@ -35,12 +35,7 @@ static void keyboard_key_notify(struct wl_listener *listener, void *data) {
event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
}
static void input_add_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data;
struct compositor_state *state = wl_container_of(listener, state, input_add);
if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
return;
}
static void keyboard_add(struct wlr_input_device *device, struct compositor_state *state) {
struct keyboard_state *kbstate = calloc(sizeof(struct keyboard_state), 1);
kbstate->device = device;
kbstate->compositor = state;
@ -75,26 +70,90 @@ static void input_add_notify(struct wl_listener *listener, void *data) {
}
}
static void input_remove_notify(struct wl_listener *listener, void *data) {
static void pointer_motion_notify(struct wl_listener *listener, void *data) {
struct wlr_pointer_motion *event = data;
struct pointer_state *pstate = wl_container_of(listener, pstate, motion);
if (pstate->compositor->pointer_motion_cb) {
pstate->compositor->pointer_motion_cb(pstate, event->delta_x, event->delta_y);
}
}
static void pointer_add(struct wlr_input_device *device, struct compositor_state *state) {
struct pointer_state *pstate = calloc(sizeof(struct pointer_state), 1);
pstate->device = device;
pstate->compositor = state;
wl_list_init(&pstate->motion.link);
wl_list_init(&pstate->motion_absolute.link);
wl_list_init(&pstate->button.link);
wl_list_init(&pstate->axis.link);
pstate->motion.notify = pointer_motion_notify;
wl_signal_add(&device->pointer->events.motion, &pstate->motion);
wl_list_insert(&state->pointers, &pstate->link);
}
static void input_add_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data;
struct compositor_state *state = wl_container_of(listener, state, input_add);
if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
return;
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
keyboard_add(device, state);
break;
case WLR_INPUT_DEVICE_POINTER:
pointer_add(device, state);
break;
default:
break;
}
}
static void keyboard_remove(struct wlr_input_device *device, struct compositor_state *state) {
struct keyboard_state *kbstate = NULL, *_kbstate;
wl_list_for_each(_kbstate, &state->keyboards, link) {
if (_kbstate->device == device) {
kbstate = kbstate;
kbstate = _kbstate;
break;
}
}
if (!kbstate) {
return; // We are unfamiliar with this keyboard
return;
}
wl_list_remove(&kbstate->link);
wl_list_remove(&kbstate->key.link);
}
static void pointer_remove(struct wlr_input_device *device, struct compositor_state *state) {
struct pointer_state *pstate = NULL, *_pstate;
wl_list_for_each(_pstate, &state->pointers, link) {
if (_pstate->device == device) {
pstate = _pstate;
break;
}
}
if (!pstate) {
return;
}
wl_list_remove(&pstate->link);
//wl_list_remove(&pstate->motion.link);
wl_list_remove(&pstate->motion_absolute.link);
//wl_list_remove(&pstate->button.link);
//wl_list_remove(&pstate->axis.link);
}
static void input_remove_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data;
struct compositor_state *state = wl_container_of(listener, state, input_add);
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
keyboard_remove(device, state);
break;
case WLR_INPUT_DEVICE_POINTER:
pointer_remove(device, state);
break;
default:
break;
}
}
static void output_frame_notify(struct wl_listener *listener, void *data) {
struct output_state *output = wl_container_of(listener, output, frame);
struct compositor_state *compositor = output->compositor;
@ -162,6 +221,7 @@ void compositor_init(struct compositor_state *state) {
}
wl_list_init(&state->keyboards);
wl_list_init(&state->pointers);
wl_list_init(&state->input_add.link);
state->input_add.notify = input_add_notify;
wl_list_init(&state->input_remove.link);

13
example/shared.h
View File

@ -28,6 +28,17 @@ struct keyboard_state {
void *data;
};
struct pointer_state {
struct compositor_state *compositor;
struct wlr_input_device *device;
struct wl_listener motion;
struct wl_listener motion_absolute;
struct wl_listener button;
struct wl_listener axis;
struct wl_list link;
void *data;
};
struct compositor_state {
void (*output_add_cb)(struct output_state *s);
void (*keyboard_add_cb)(struct keyboard_state *s);
@ -36,6 +47,7 @@ struct compositor_state {
void (*keyboard_remove_cb)(struct keyboard_state *s);
void (*keyboard_key_cb)(struct keyboard_state *s, xkb_keysym_t sym,
enum wlr_key_state key_state);
void (*pointer_motion_cb)(struct pointer_state *s, double d_x, double d_y);
struct wl_display *display;
struct wl_event_loop *event_loop;
@ -43,6 +55,7 @@ struct compositor_state {
struct wlr_session *session;
struct wl_list keyboards;
struct wl_list pointers;
struct wl_listener input_add;
struct wl_listener input_remove;