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@ -45,7 +45,8 @@ struct dnd { |
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uint32_t key; |
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uint32_t key; |
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struct item *items[16]; |
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struct item *items[16]; |
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struct wl_buffer *buffer; |
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struct wl_buffer *translucent_buffer; |
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struct wl_buffer *opaque_buffer; |
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int hotspot_x, hotspot_y; |
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int hotspot_x, hotspot_y; |
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uint32_t tag; |
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uint32_t tag; |
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const char *drag_type; |
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const char *drag_type; |
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@ -198,8 +199,14 @@ static struct item * |
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dnd_get_item(struct dnd *dnd, int32_t x, int32_t y) |
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dnd_get_item(struct dnd *dnd, int32_t x, int32_t y) |
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{ |
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{ |
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struct item *item; |
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struct item *item; |
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struct rectangle rectangle; |
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int i; |
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int i; |
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window_get_child_rectangle(dnd->window, &rectangle); |
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x -= rectangle.x; |
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y -= rectangle.y; |
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for (i = 0; i < ARRAY_LENGTH(dnd->items); i++) { |
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for (i = 0; i < ARRAY_LENGTH(dnd->items); i++) { |
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item = dnd->items[i]; |
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item = dnd->items[i]; |
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if (item && |
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if (item && |
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@ -231,10 +238,16 @@ drag_pointer_focus(void *data, |
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fprintf(stderr, "drag pointer focus %p\n", surface); |
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fprintf(stderr, "drag pointer focus %p\n", surface); |
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if (surface) { |
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if (!surface) { |
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dnd->drag_type = NULL; |
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return; |
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} |
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if (!dnd_get_item(dnd, surface_x, surface_y)) { |
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wl_drag_accept(drag, "text/plain"); |
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wl_drag_accept(drag, "text/plain"); |
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dnd->drag_type = "text/plain"; |
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dnd->drag_type = "text/plain"; |
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} else { |
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} else { |
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wl_drag_accept(drag, NULL); |
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dnd->drag_type = NULL; |
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dnd->drag_type = NULL; |
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} |
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} |
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} |
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} |
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@ -258,8 +271,13 @@ drag_motion(void *data, |
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* Problem is, we don't know when we've seen that last offer |
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* Problem is, we don't know when we've seen that last offer |
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* event, and we might need to look at all of them before we |
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* event, and we might need to look at all of them before we |
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* can decide which one to go with. */ |
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* can decide which one to go with. */ |
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wl_drag_accept(drag, "text/plain"); |
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if (!dnd_get_item(dnd, surface_x, surface_y)) { |
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dnd->drag_type = "text/plain"; |
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wl_drag_accept(drag, "text/plain"); |
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dnd->drag_type = "text/plain"; |
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} else { |
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wl_drag_accept(drag, NULL); |
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dnd->drag_type = NULL; |
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} |
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} |
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} |
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static void |
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static void |
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@ -270,10 +288,15 @@ drag_target(void *data, |
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struct input *input; |
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struct input *input; |
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struct wl_input_device *device; |
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struct wl_input_device *device; |
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fprintf(stderr, "target %s\n", mime_type); |
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input = wl_drag_get_user_data(drag); |
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input = wl_drag_get_user_data(drag); |
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device = input_get_input_device(input); |
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device = input_get_input_device(input); |
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wl_input_device_attach(device, dnd->buffer, |
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if (mime_type) |
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dnd->hotspot_x, dnd->hotspot_y); |
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wl_input_device_attach(device, dnd->opaque_buffer, |
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dnd->hotspot_x, dnd->hotspot_y); |
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else |
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wl_input_device_attach(device, dnd->translucent_buffer, |
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dnd->hotspot_x, dnd->hotspot_y); |
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} |
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} |
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static gboolean |
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static gboolean |
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@ -305,6 +328,10 @@ drag_drop(void *data, struct wl_drag *drag) |
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if (!dnd->drag_type) { |
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if (!dnd->drag_type) { |
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fprintf(stderr, "got 'drop', but no target\n"); |
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fprintf(stderr, "got 'drop', but no target\n"); |
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/* FIXME: Should send response so compositor and
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* source knows it's over. Can't send -1 to indicate |
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* 'no target' though becauses of the way fd passing |
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* currently works. */ |
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return; |
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return; |
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} |
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} |
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@ -339,61 +366,82 @@ static const struct wl_drag_listener drag_listener = { |
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drag_finish |
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drag_finish |
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}; |
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}; |
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static cairo_surface_t * |
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create_drag_cursor(struct dnd *dnd, struct item *item, int32_t x, int32_t y, |
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double opacity) |
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{ |
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cairo_surface_t *surface, *pointer; |
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int32_t pointer_width, pointer_height, hotspot_x, hotspot_y; |
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struct rectangle rectangle; |
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cairo_pattern_t *pattern; |
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cairo_t *cr; |
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pointer = display_get_pointer_surface(dnd->display, |
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POINTER_DRAGGING, |
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&pointer_width, |
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&pointer_height, |
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&hotspot_x, |
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&hotspot_y); |
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rectangle.width = item_width + 2 * pointer_width; |
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rectangle.height = item_height + 2 * pointer_height; |
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surface = display_create_surface(dnd->display, &rectangle); |
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cr = cairo_create(surface); |
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cairo_translate(cr, pointer_width, pointer_height); |
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
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cairo_set_source_rgba(cr, 0, 0, 0, 0); |
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cairo_paint(cr); |
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
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cairo_set_source_surface(cr, item->surface, 0, 0); |
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pattern = cairo_pattern_create_rgba(0, 0, 0, opacity); |
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cairo_mask(cr, pattern); |
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cairo_pattern_destroy(pattern); |
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cairo_set_source_surface(cr, pointer, |
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x - item->x - hotspot_x, |
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y - item->y - hotspot_y); |
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cairo_surface_destroy(pointer); |
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cairo_paint(cr); |
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/* FIXME: more cairo-gl brokeness */ |
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display_flush_cairo_device(dnd->display); |
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cairo_destroy(cr); |
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dnd->hotspot_x = pointer_width + x - item->x; |
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dnd->hotspot_y = pointer_height + y - item->y; |
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return surface; |
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} |
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static void |
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static void |
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dnd_button_handler(struct window *window, |
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dnd_button_handler(struct window *window, |
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struct input *input, uint32_t time, |
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struct input *input, uint32_t time, |
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int button, int state, void *data) |
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int button, int state, void *data) |
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{ |
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{ |
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struct dnd *dnd = data; |
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struct dnd *dnd = data; |
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int32_t x, y, hotspot_x, hotspot_y, pointer_width, pointer_height; |
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int32_t x, y; |
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struct rectangle rectangle; |
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struct item *item; |
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struct item *item; |
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cairo_surface_t *surface, *pointer; |
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cairo_surface_t *surface; |
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cairo_t *cr; |
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struct rectangle rectangle; |
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input_get_position(input, &x, &y); |
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window_get_child_rectangle(dnd->window, &rectangle); |
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window_get_child_rectangle(dnd->window, &rectangle); |
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input_get_position(input, &x, &y); |
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item = dnd_get_item(dnd, x, y); |
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x -= rectangle.x; |
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x -= rectangle.x; |
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y -= rectangle.y; |
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y -= rectangle.y; |
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item = dnd_get_item(dnd, x, y); |
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if (item && state == 1) { |
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if (item && state == 1) { |
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fprintf(stderr, "start drag, item %p\n", item); |
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fprintf(stderr, "start drag, item %p\n", item); |
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pointer = display_get_pointer_surface(dnd->display, |
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surface = create_drag_cursor(dnd, item, x, y, 1); |
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POINTER_DRAGGING, |
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dnd->opaque_buffer = |
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&pointer_width, |
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display_get_buffer_for_surface(dnd->display, surface); |
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&pointer_height, |
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&hotspot_x, |
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&hotspot_y); |
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rectangle.width = item_width + 2 * pointer_width; |
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rectangle.height = item_height + 2 * pointer_height; |
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surface = display_create_surface(dnd->display, &rectangle); |
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cr = cairo_create(surface); |
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cairo_translate(cr, pointer_width, pointer_height); |
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
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cairo_set_source_rgba(cr, 0, 0, 0, 0); |
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cairo_paint(cr); |
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
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cairo_set_source_surface(cr, item->surface, 0, 0); |
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cairo_paint(cr); |
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cairo_set_source_surface(cr, pointer, |
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surface = create_drag_cursor(dnd, item, x, y, 0.2); |
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x - item->x - hotspot_x, |
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dnd->translucent_buffer = |
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y - item->y - hotspot_y); |
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display_get_buffer_for_surface(dnd->display, surface); |
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cairo_surface_destroy(pointer); |
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cairo_paint(cr); |
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cairo_destroy(cr); |
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dnd->buffer = display_get_buffer_for_surface(dnd->display, |
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surface); |
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dnd->hotspot_x = pointer_width + x - item->x; |
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dnd->hotspot_y = pointer_height + y - item->y; |
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window_start_drag(window, input, time); |
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window_start_drag(window, input, time); |
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@ -410,10 +458,8 @@ dnd_motion_handler(struct window *window, |
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{ |
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{ |
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struct dnd *dnd = data; |
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struct dnd *dnd = data; |
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struct item *item; |
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struct item *item; |
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struct rectangle rectangle; |
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window_get_child_rectangle(dnd->window, &rectangle); |
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item = dnd_get_item(dnd, sx, sy); |
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item = dnd_get_item(dnd, sx - rectangle.x, sy - rectangle.y); |
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if (item) |
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if (item) |
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return POINTER_HAND1; |
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return POINTER_HAND1; |
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