351 lines
15 KiB
C
351 lines
15 KiB
C
#ifdef HAVE_CONFIG_H
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#include "elementary_config.h"
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#endif
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#define EFL_UI_SCROLL_MANAGER_PROTECTED
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#define EFL_UI_SCROLLBAR_PROTECTED
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#include <Elementary.h>
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#include <Efl_Ui.h>
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#include "elm_priv.h"
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typedef struct {
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Eo *obj;
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Eo *smanager;
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int freeze_want;
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Eina_Bool scroll_count : 1;
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Eina_Bool need_scroll : 1;
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} Scroll_Connector_Context;
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static void
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_scroll_connector_bar_read_and_update(Scroll_Connector_Context *ctx)
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{
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ELM_WIDGET_DATA_GET_OR_RETURN(ctx->obj, wd);
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double vx = 0.0, vy = 0.0;
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edje_object_part_drag_value_get
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(wd->resize_obj, "efl.draggable.vertical_bar", NULL, &vy);
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edje_object_part_drag_value_get
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(wd->resize_obj, "efl.draggable.horizontal_bar", &vx, NULL);
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efl_ui_scrollbar_bar_position_set(ctx->smanager, vx, vy);
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}
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static void
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_scroll_connector_reload_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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efl_ui_scrollbar_bar_visibility_update(ctx->smanager);
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}
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static void
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_scroll_connector_edje_drag_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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_scroll_connector_bar_read_and_update(ctx);
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}
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static void
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_scroll(void *data,
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Evas_Object *obj,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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ctx->scroll_count = EINA_FALSE;
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if (!ctx->need_scroll) return;
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ctx->need_scroll = EINA_FALSE;
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efl_layout_signal_emit(obj, "efl,action,scroll", "efl");
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}
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static void
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_scroll_connector_edje_drag_start_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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_scroll_connector_bar_read_and_update(ctx);
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ctx->freeze_want = efl_ui_scrollable_scroll_freeze_get(ctx->smanager);
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efl_ui_scrollable_scroll_freeze_set(ctx->smanager, EINA_TRUE);
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efl_event_callback_call(ctx->obj, EFL_UI_EVENT_SCROLL_DRAG_STARTED, NULL);
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}
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static void
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_scroll_connector_edje_drag_stop_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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_scroll_connector_bar_read_and_update(ctx);
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EINA_SAFETY_ON_TRUE_RETURN(ctx->freeze_want == -1);
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efl_ui_scrollable_scroll_freeze_set(ctx->smanager, ctx->freeze_want);
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ctx->freeze_want = -1;
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efl_event_callback_call(ctx->obj, EFL_UI_EVENT_SCROLL_DRAG_FINISHED, NULL);
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}
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static void
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_scroll_connector_vbar_drag_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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Efl_Ui_Layout_Orientation type;
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_scroll_connector_bar_read_and_update(ctx);
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type = EFL_UI_LAYOUT_ORIENTATION_VERTICAL;
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efl_event_callback_call(ctx->obj, EFL_UI_SCROLLBAR_EVENT_BAR_DRAGGED, &type);
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}
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static void
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_scroll_connector_vbar_press_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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Efl_Ui_Layout_Orientation type = EFL_UI_LAYOUT_ORIENTATION_VERTICAL;
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efl_event_callback_call(ctx->obj, EFL_UI_SCROLLBAR_EVENT_BAR_PRESSED, &type);
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}
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static void
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_scroll_connector_vbar_unpress_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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Efl_Ui_Layout_Orientation type = EFL_UI_LAYOUT_ORIENTATION_VERTICAL;
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efl_event_callback_call(ctx->obj, EFL_UI_SCROLLBAR_EVENT_BAR_UNPRESSED, &type);
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}
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static void
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_scroll_connector_hbar_drag_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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Efl_Ui_Layout_Orientation type = EFL_UI_LAYOUT_ORIENTATION_HORIZONTAL;
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_scroll_connector_bar_read_and_update(ctx);
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efl_event_callback_call(ctx->obj, EFL_UI_SCROLLBAR_EVENT_BAR_DRAGGED, &type);
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}
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static void
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_scroll_connector_hbar_press_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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Efl_Ui_Layout_Orientation type = EFL_UI_LAYOUT_ORIENTATION_HORIZONTAL;
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efl_event_callback_call(ctx->obj, EFL_UI_SCROLLBAR_EVENT_BAR_PRESSED, &type);
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}
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static void
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_scroll_connector_hbar_unpress_cb(void *data,
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Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED,
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const char *source EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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Efl_Ui_Layout_Orientation type = EFL_UI_LAYOUT_ORIENTATION_HORIZONTAL;
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efl_event_callback_call(ctx->obj, EFL_UI_SCROLLBAR_EVENT_BAR_UNPRESSED, &type);
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}
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static void
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_scroll_connector_bar_size_changed_cb(void *data, const Efl_Event *event EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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ELM_WIDGET_DATA_GET_OR_RETURN(ctx->obj, wd);
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double width = 0.0, height = 0.0;
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edje_object_calc_force(wd->resize_obj);
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efl_ui_scrollbar_bar_size_get(ctx->smanager, &width, &height);
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edje_object_part_drag_size_set(wd->resize_obj, "efl.draggable.horizontal_bar", width, 1.0);
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edje_object_part_drag_size_set(wd->resize_obj, "efl.draggable.vertical_bar", 1.0, height);
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}
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static void
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_scroll_connector_bar_pos_changed_cb(void *data, const Efl_Event *event EINA_UNUSED)
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{
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Scroll_Connector_Context *ctx = data;
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ELM_WIDGET_DATA_GET_OR_RETURN(ctx->obj, wd);
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double posx = 0.0, posy = 0.0;
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Eina_Size2D cs;
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Eina_Position2D step;
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step = efl_ui_scrollable_step_size_get(ctx->smanager);
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cs = efl_ui_scrollable_content_size_get(ctx->smanager);
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edje_object_part_drag_step_set(wd->resize_obj, "efl.draggable.horizontal_bar",
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(double)step.x / cs.w, 0.0);
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edje_object_part_drag_step_set(wd->resize_obj, "efl.draggable.vertical_bar",
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0.0, (double)step.y / cs.h);
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efl_ui_scrollbar_bar_position_get(ctx->smanager, &posx, &posy);
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edje_object_part_drag_value_set(wd->resize_obj, "efl.draggable.horizontal_bar", posx, 0.0);
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edje_object_part_drag_value_set(wd->resize_obj, "efl.draggable.vertical_bar", 0.0, posy);
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if (ctx->scroll_count)
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ctx->need_scroll = EINA_TRUE;
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else
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{
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efl_layout_signal_emit(wd->resize_obj, "efl,action,scroll", "efl");
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ctx->scroll_count = EINA_TRUE;
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}
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}
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static void
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_scroll_connector_bar_show_cb(void *data, const Efl_Event *event)
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{
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Scroll_Connector_Context *ctx = data;
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ELM_WIDGET_DATA_GET_OR_RETURN(ctx->obj, wd);
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Efl_Ui_Layout_Orientation type = *(Efl_Ui_Layout_Orientation *)(event->info);
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if (type == EFL_UI_LAYOUT_ORIENTATION_HORIZONTAL)
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efl_layout_signal_emit(wd->resize_obj, "efl,horizontal_bar,visible,on", "efl");
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else if (type == EFL_UI_LAYOUT_ORIENTATION_VERTICAL)
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efl_layout_signal_emit(wd->resize_obj, "efl,vertical_bar,visible,on", "efl");
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}
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static void
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_scroll_connector_bar_hide_cb(void *data, const Efl_Event *event)
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{
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Scroll_Connector_Context *ctx = data;
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ELM_WIDGET_DATA_GET_OR_RETURN(ctx->obj, wd);
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Efl_Ui_Layout_Orientation type = *(Efl_Ui_Layout_Orientation *)(event->info);
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if (type == EFL_UI_LAYOUT_ORIENTATION_HORIZONTAL)
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efl_layout_signal_emit(wd->resize_obj, "efl,horizontal_bar,visible,off", "efl");
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else if (type == EFL_UI_LAYOUT_ORIENTATION_VERTICAL)
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efl_layout_signal_emit(wd->resize_obj, "efl,vertical_bar,visible,off", "efl");
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}
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void
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efl_ui_scroll_connector_bind(Eo *obj, Eo *manager)
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{
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Scroll_Connector_Context *ctx = calloc(1, sizeof(Scroll_Connector_Context));
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if (!ctx) return;
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ctx->obj = obj;
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ctx->smanager = manager;
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efl_key_data_set(obj, "__context", ctx);
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//from the theme to the object
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efl_layout_signal_callback_add(obj, "reload", "efl",
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ctx, _scroll_connector_reload_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_vbar_drag_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,set", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,start", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_start_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,stop", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_stop_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,step", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,page", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_add(obj, "efl,vertical_bar,press", "efl",
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ctx, _scroll_connector_vbar_press_cb, NULL);
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efl_layout_signal_callback_add(obj, "efl,vbar,unpress", "efl",
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ctx, _scroll_connector_vbar_unpress_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_hbar_drag_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,set", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,start", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_start_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,stop", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_stop_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,step", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_add(obj, "drag,page", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_add(obj, "efl,horizontal_bar,press", "efl",
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ctx, _scroll_connector_hbar_press_cb, NULL);
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efl_layout_signal_callback_add(obj, "efl,hbar,unpress", "efl",
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ctx, _scroll_connector_hbar_unpress_cb, NULL);
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efl_layout_signal_callback_add(obj, "efl,action,scroll", "efl",
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ctx, _scroll, NULL);
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//from the object to the theme
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efl_event_callback_add(obj, EFL_UI_SCROLLBAR_EVENT_BAR_SIZE_CHANGED,
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_scroll_connector_bar_size_changed_cb, ctx);
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efl_event_callback_add(obj, EFL_UI_SCROLLBAR_EVENT_BAR_POS_CHANGED,
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_scroll_connector_bar_pos_changed_cb, ctx);
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efl_event_callback_add(obj, EFL_UI_SCROLLBAR_EVENT_BAR_SHOW,
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_scroll_connector_bar_show_cb, ctx);
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efl_event_callback_add(obj, EFL_UI_SCROLLBAR_EVENT_BAR_HIDE,
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_scroll_connector_bar_hide_cb, ctx);
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}
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void
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efl_ui_scroll_connector_unbind(Eo *obj)
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{
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Scroll_Connector_Context *ctx;
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ctx = efl_key_data_get(obj, "__context");
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EINA_SAFETY_ON_NULL_RETURN(ctx);
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efl_layout_signal_callback_del(obj, "reload", "efl",
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ctx, _scroll_connector_reload_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_vbar_drag_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,set", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,start", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_start_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,stop", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_stop_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,step", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,page", "efl.draggable.vertical_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_del(obj, "efl,vertical_bar,press", "efl",
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ctx, _scroll_connector_vbar_press_cb, NULL);
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efl_layout_signal_callback_del(obj, "efl,vbar,unpress", "efl",
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ctx, _scroll_connector_vbar_unpress_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_hbar_drag_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,set", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,start", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_start_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,stop", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_stop_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,step", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_del(obj, "drag,page", "efl.draggable.horizontal_bar",
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ctx, _scroll_connector_edje_drag_cb, NULL);
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efl_layout_signal_callback_del(obj, "efl,horizontal_bar,press", "efl",
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ctx, _scroll_connector_hbar_press_cb, NULL);
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efl_layout_signal_callback_del(obj, "efl,hbar,unpress", "efl",
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ctx, _scroll_connector_hbar_unpress_cb, NULL);
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free(ctx);
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}
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