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Diffstat (limited to 'rootston/cursor.c')
-rw-r--r--rootston/cursor.c100
1 files changed, 84 insertions, 16 deletions
diff --git a/rootston/cursor.c b/rootston/cursor.c
index 531d82cc..7ea1ed4d 100644
--- a/rootston/cursor.c
+++ b/rootston/cursor.c
@@ -1,5 +1,8 @@
+#define _XOPEN_SOURCE 500
+#include <stdbool.h>
#include <stdint.h>
#include <string.h>
+#include <math.h>
// TODO: BSD et al
#include <linux/input-event-codes.h>
#include <wayland-server.h>
@@ -24,15 +27,16 @@ const struct roots_input_event *get_input_event(struct roots_input *input,
void view_begin_move(struct roots_input *input, struct wlr_cursor *cursor,
struct roots_view *view) {
input->mode = ROOTS_CURSOR_MOVE;
- input->offs_x = cursor->x - view->x;
- input->offs_y = cursor->y - view->y;
+ input->offs_x = cursor->x;
+ input->offs_y = cursor->y;
+ input->view_x = view->x;
+ input->view_y = view->y;
wlr_seat_pointer_clear_focus(input->wl_seat);
}
void view_begin_resize(struct roots_input *input, struct wlr_cursor *cursor,
struct roots_view *view, uint32_t edges) {
input->mode = ROOTS_CURSOR_RESIZE;
- wlr_log(L_DEBUG, "begin resize");
input->offs_x = cursor->x;
input->offs_y = cursor->y;
input->view_x = view->x;
@@ -45,6 +49,15 @@ void view_begin_resize(struct roots_input *input, struct wlr_cursor *cursor,
wlr_seat_pointer_clear_focus(input->wl_seat);
}
+void view_begin_rotate(struct roots_input *input, struct wlr_cursor *cursor,
+ struct roots_view *view) {
+ input->mode = ROOTS_CURSOR_ROTATE;
+ input->offs_x = cursor->x;
+ input->offs_y = cursor->y;
+ input->view_rotation = view->rotation;
+ wlr_seat_pointer_clear_focus(input->wl_seat);
+}
+
void cursor_update_position(struct roots_input *input, uint32_t time) {
struct roots_desktop *desktop = input->server->desktop;
struct roots_view *view;
@@ -63,16 +76,18 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
break;
case ROOTS_CURSOR_MOVE:
if (input->active_view) {
- input->active_view->x = input->cursor->x - input->offs_x;
- input->active_view->y = input->cursor->y - input->offs_y;
+ int dx = input->cursor->x - input->offs_x,
+ dy = input->cursor->y - input->offs_y;
+ input->active_view->x = input->view_x + dx;
+ input->active_view->y = input->view_y + dy;
}
break;
case ROOTS_CURSOR_RESIZE:
if (input->active_view) {
- int dx = input->cursor->x - input->offs_x;
- int dy = input->cursor->y - input->offs_y;
- int width = input->view_width;
- int height = input->view_height;
+ int dx = input->cursor->x - input->offs_x,
+ dy = input->cursor->y - input->offs_y;
+ int width = input->view_width,
+ height = input->view_height;
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
input->active_view->y = input->view_y + dy;
height -= dy;
@@ -91,6 +106,19 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
}
break;
case ROOTS_CURSOR_ROTATE:
+ if (input->active_view) {
+ struct roots_view *view = input->active_view;
+ int ox = view->x + view->wlr_surface->current->width/2,
+ oy = view->y + view->wlr_surface->current->height/2;
+ int ux = input->offs_x - ox,
+ uy = input->offs_y - oy;
+ int vx = input->cursor->x - ox,
+ vy = input->cursor->y - oy;
+ float angle = atan2(vx*uy - vy*ux, vx*ux + vy*uy);
+ int steps = 12;
+ angle = round(angle/M_PI*steps) / (steps/M_PI);
+ view->rotation = input->view_rotation + angle;
+ }
break;
}
}
@@ -100,6 +128,12 @@ static void set_view_focus(struct roots_input *input,
if (input->active_view == view) {
return;
}
+ input->active_view = view;
+ input->mode = ROOTS_CURSOR_PASSTHROUGH;
+ if (!view) {
+ return;
+ }
+
size_t index = 0;
for (size_t i = 0; i < desktop->views->length; ++i) {
struct roots_view *_view = desktop->views->items[i];
@@ -108,8 +142,6 @@ static void set_view_focus(struct roots_input *input,
index = i;
}
}
- input->active_view = view;
- input->mode = ROOTS_CURSOR_PASSTHROUGH;
// TODO: list_swap
list_del(desktop->views, index);
list_add(desktop->views, view);
@@ -141,6 +173,23 @@ static void handle_cursor_axis(struct wl_listener *listener, void *data) {
event->orientation, event->delta);
}
+static bool is_meta_pressed(struct roots_input *input) {
+ uint32_t meta_key = input->server->config->keyboard.meta_key;
+ if (meta_key == 0) {
+ return false;
+ }
+
+ struct roots_keyboard *keyboard;
+ wl_list_for_each(keyboard, &input->keyboards, link) {
+ uint32_t modifiers =
+ wlr_keyboard_get_modifiers(keyboard->device->keyboard);
+ if ((modifiers ^ meta_key) == 0) {
+ return true;
+ }
+ }
+ return false;
+}
+
static void do_cursor_button_press(struct roots_input *input,
struct wlr_cursor *cursor, struct wlr_input_device *device,
uint32_t time, uint32_t button, uint32_t state) {
@@ -148,14 +197,33 @@ static void do_cursor_button_press(struct roots_input *input,
struct wlr_surface *surface;
double sx, sy;
struct roots_view *view = view_at(desktop,
- input->cursor->x, input->cursor->y, &surface, &sx, &sy);
- uint32_t serial = wlr_seat_pointer_notify_button(
- input->wl_seat, time, button, state);
+ input->cursor->x, input->cursor->y, &surface, &sx, &sy);
+
+ if (state == WLR_BUTTON_PRESSED && view && is_meta_pressed(input)) {
+ set_view_focus(input, desktop, view);
+
+ switch (button) {
+ case BTN_LEFT:
+ view_begin_move(input, cursor, view);
+ break;
+ case BTN_RIGHT:
+ view_begin_resize(input, cursor, view,
+ ROOTS_CURSOR_RESIZE_EDGE_RIGHT |
+ ROOTS_CURSOR_RESIZE_EDGE_BOTTOM);
+ break;
+ case BTN_MIDDLE:
+ view_begin_rotate(input, cursor, view);
+ }
+ return;
+ }
+
+ uint32_t serial = wlr_seat_pointer_notify_button(input->wl_seat, time, button,
+ state);
+
int i;
switch (state) {
case WLR_BUTTON_RELEASED:
- input->active_view = NULL;
- input->mode = ROOTS_CURSOR_PASSTHROUGH;
+ set_view_focus(input, desktop, NULL);
break;
case WLR_BUTTON_PRESSED:
i = input->input_events_idx;
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-21 10:47:51 +0000