--- /dev/null
+#include <Elementary.h>
+#ifdef HAVE_CONFIG_H
+# include "elementary_config.h"
+#endif
+#ifndef ELM_LIB_QUICKLAUNCH
+
+/* We zoom out to this value so we'll be able to use map and have a nice
+ * resolution when zooming in. */
+#define BASE_ZOOM 0.5
+/* The amount of zoom to do when "lifting" objects. */
+#define LIFT_FACTOR 1.3
+/* The base size of the shadow image. */
+#define SHADOW_W 118
+#define SHADOW_H 118
+#define RAD2DEG(x) ((x) * 57.295779513)
+
+static double zoom_out_animation_duration = 0.4;
+
+struct _Photo_Object {
+ Evas_Object *ic, *shadow;
+ Evas_Object *hit;
+ Evas_Object *gl;
+ Elm_Animator *zoom_out;
+ /* bx, by - current wanted coordinates of the photo object.
+ * bw, bh - original size of the "ic" object.
+ * dx, dy - Used to indicate the distance between the center point
+ * where we put down our fingers (when started moving the item) to
+ * the coords of the object, so we'll be able to calculate movement
+ * correctly. */
+ Evas_Coord bx, by, bw, bh, dx, dy;
+ /* Because gesture layer only knows the amount of rotation/zoom we do
+ * per gesture, we have to keep the current rotate/zoom factor and the
+ * one that was before we started the gesture. */
+ int base_rotate, rotate;
+ double base_zoom, zoom;
+ double shadow_zoom;
+};
+typedef struct _Photo_Object Photo_Object;
+
+
+/* This function applies the information from the Photo_Object to the actual
+ * evas objects. Zoom/rotate factors and etc. */
+static void
+apply_changes(Photo_Object *po)
+{
+ Evas_Map *map;
+
+ map = evas_map_new(4);
+ evas_map_point_coord_set(map, 0, po->bx, po->by, 0);
+ evas_map_point_coord_set(map, 1, po->bx + po->bw, po->by, 0);
+ evas_map_point_coord_set(map, 2, po->bx + po->bw, po->by + po->bh, 0);
+ evas_map_point_coord_set(map, 3, po->bx, po->by + po->bh, 0);
+ evas_map_point_image_uv_set(map, 0, 0, 0);
+ evas_map_point_image_uv_set(map, 1, po->bw, 0);
+ evas_map_point_image_uv_set(map, 2, po->bw, po->bh);
+ evas_map_point_image_uv_set(map, 3, 0, po->bh);
+ evas_map_util_rotate(map, po->rotate,
+ po->bx + po->bw / 2, po->by + po->bh /2);
+ evas_map_util_zoom(map, po->zoom, po->zoom,
+ po->bx + po->bw / 2, po->by + po->bh /2);
+ evas_object_map_enable_set(po->ic, EINA_TRUE);
+ evas_object_map_set(po->ic, map);
+
+ {
+ Evas_Map *shadow_map = evas_map_new(4);
+ evas_map_point_coord_set(shadow_map, 0, po->bx, po->by, 0);
+ evas_map_point_coord_set(shadow_map, 1, po->bx + po->bw, po->by, 0);
+ evas_map_point_coord_set(shadow_map, 2, po->bx + po->bw, po->by + po->bh, 0);
+ evas_map_point_coord_set(shadow_map, 3, po->bx, po->by + po->bh, 0);
+ evas_map_point_image_uv_set(shadow_map, 0, 0, 0);
+ evas_map_point_image_uv_set(shadow_map, 1, SHADOW_W, 0);
+ evas_map_point_image_uv_set(shadow_map, 2, SHADOW_W, SHADOW_H);
+ evas_map_point_image_uv_set(shadow_map, 3, 0, SHADOW_H);
+ evas_map_util_rotate(shadow_map, po->rotate,
+ po->bx + po->bw / 2, po->by + po->bh /2);
+ evas_map_util_zoom(shadow_map, po->zoom * po->shadow_zoom,
+ po->zoom * po->shadow_zoom,
+ po->bx + (po->bw / 2), po->by + (po->bh / 2));
+ evas_object_map_enable_set(po->shadow, EINA_TRUE);
+ evas_object_map_set(po->shadow, shadow_map);
+ evas_map_free(shadow_map);
+ }
+
+ /* Update the position of the hit box */
+ {
+ Evas_Coord minx, miny, maxx, maxy;
+ int i;
+ evas_object_polygon_points_clear(po->hit);
+ evas_map_point_coord_get(map, 0, &minx, &miny, NULL);
+ maxx = minx;
+ maxy = miny;
+ evas_object_polygon_point_add(po->hit, minx, miny);
+ for (i = 1 ; i <= 3 ; i++)
+ {
+ Evas_Coord x, y;
+ evas_map_point_coord_get(map, i, &x, &y, NULL);
+ evas_object_polygon_point_add(po->hit, x, y);
+ if (x < minx)
+ minx = x;
+ else if (x > maxx)
+ maxx = x;
+
+ if (y < miny)
+ miny = y;
+ else if (y > maxy)
+ maxy = y;
+ }
+ }
+
+ evas_object_raise(po->shadow);
+ evas_object_raise(po->ic);
+ evas_object_raise(po->hit);
+ evas_map_free(map);
+}
+
+/* Zoom out animation */
+static void
+zoom_out_animation_operation(void *_po, Elm_Animator *animator __UNUSED__,
+ double frame)
+{
+ Photo_Object *po = (Photo_Object *) _po;
+ po->zoom = BASE_ZOOM + ((po->base_zoom - BASE_ZOOM) * (1.0 - frame));
+ apply_changes(po);
+}
+
+static void
+zoom_out_animation_end(void *_po)
+{
+ Photo_Object *po = (Photo_Object *) _po;
+
+ po->base_zoom = po->zoom = BASE_ZOOM;
+ apply_changes(po);
+
+ elm_animator_del(po->zoom_out);
+ po->zoom_out = NULL;
+}
+
+static Evas_Event_Flags
+rotate_move(void *_po, void *event_info)
+{
+ Photo_Object *po = (Photo_Object *) _po;
+ Elm_Gesture_Rotate_Info *p = (Elm_Gesture_Rotate_Info *) event_info;
+ printf("rotate move <%d,%d> base=<%f> <%f>\n", p->x, p->y, RAD2DEG(p->base_angle), RAD2DEG(p->angle));
+ po->rotate = po->base_rotate + (int) RAD2DEG(p->base_angle - p->angle);
+ if (po->rotate < 0)
+ po->rotate += 360;
+ apply_changes(po);
+ return EVAS_EVENT_FLAG_NONE;
+}
+
+static Evas_Event_Flags
+rotate_end(void *_po, void *event_info)
+{
+ Photo_Object *po = (Photo_Object *) _po;
+ Elm_Gesture_Rotate_Info *p = (Elm_Gesture_Rotate_Info *) event_info;
+ printf("rotate end/abort <%d,%d> base=<%f> <%f>\n", p->x, p->y, RAD2DEG(p->base_angle), RAD2DEG(p->angle));
+ po->base_rotate += (int) RAD2DEG(p->base_angle - p->angle);
+ if (po->rotate < 0)
+ po->rotate += 360;
+ return EVAS_EVENT_FLAG_NONE;
+}
+
+static Evas_Event_Flags
+zoom_start(void *_po, void *event_info)
+{
+ Photo_Object *po = (Photo_Object *) _po;
+ Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
+ printf("zoom start <%d,%d> <%f>\n", p->x, p->y, p->zoom);
+
+ /* If there's an active animator, stop it */
+ if (po->zoom_out)
+ {
+ elm_animator_del(po->zoom_out);
+ po->zoom_out = NULL;
+ }
+
+
+ po->dx = p->x - po->bx;
+ po->dy = p->y - po->by;
+ /* Give it a "lift" effect right from the start */
+ po->base_zoom = BASE_ZOOM * LIFT_FACTOR;
+ po->zoom = po->base_zoom;
+ po->shadow_zoom = 1.7;
+
+ apply_changes(po);
+ return EVAS_EVENT_FLAG_NONE;
+}
+
+static Evas_Event_Flags
+zoom_move(void *_po, void *event_info)
+{
+ Photo_Object *po = (Photo_Object *) _po;
+ Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
+ printf("zoom move <%d,%d> <%f>\n", p->x, p->y, p->zoom);
+ po->zoom = po->base_zoom * p->zoom;
+ po->bx = p->x - po->dx;
+ po->by = p->y - po->dy;
+ apply_changes(po);
+ return EVAS_EVENT_FLAG_NONE;
+}
+
+static Evas_Event_Flags
+zoom_end(void *_po, void *event_info)
+{
+ Photo_Object *po = (Photo_Object *) _po;
+ Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
+ printf("zoom end/abort <%d,%d> <%f>\n", p->x, p->y, p->zoom);
+
+ /* Make sure middle is in the screen, if not, fix it. */
+ {
+ /* FIXME: Use actual window sizes instead of the hardcoded
+ * values */
+ Evas_Coord mx, my;
+ mx = po->bx + (po->bw / 2);
+ my = po->by + (po->bh / 2);
+ if (mx < 0)
+ po->bx = 0 - (po->bw / 2);
+ else if (mx > 480)
+ po->bx = 480 - (po->bw / 2);
+
+ if (my < 0)
+ po->by = 0 - (po->bw / 2);
+ else if (my > 800)
+ po->by = 800 - (po->bh / 2);
+ }
+
+ /* Apply the zoom out animator */
+ po->shadow_zoom = 1.3;
+ po->base_zoom = po->zoom;
+ po->zoom_out = elm_animator_add(po->ic);
+ elm_animator_duration_set(po->zoom_out, zoom_out_animation_duration);
+ elm_animator_curve_style_set(po->zoom_out, ELM_ANIMATOR_CURVE_LINEAR);
+ elm_animator_operation_callback_set(po->zoom_out,
+ zoom_out_animation_operation, po);
+ elm_animator_completion_callback_set(po->zoom_out,
+ zoom_out_animation_end, po);
+ elm_animator_animate(po->zoom_out);
+ return EVAS_EVENT_FLAG_NONE;
+}
+
+Photo_Object *
+photo_object_add(Evas_Object *parent, Evas_Object *ic, const char *icon, Evas_Coord x,
+ Evas_Coord y, Evas_Coord w, Evas_Coord h, int angle)
+{
+ Photo_Object *po;
+ po = calloc(1, sizeof(*po));
+ po->base_zoom = po->zoom = BASE_ZOOM;
+
+ if (ic)
+ {
+ po->ic = ic;
+ }
+ else
+ {
+ po->ic = elm_icon_add(parent);
+ elm_icon_file_set(po->ic, icon, NULL);
+ }
+
+ po->bx = x;
+ po->by = y;
+ po->bw = w;
+ po->bh = h;
+
+ /* Add shadow */
+ {
+ po->shadow = elm_icon_add(po->ic);
+ elm_icon_file_set(po->shadow, PACKAGE_DATA_DIR "/images/pol_shadow.png", NULL);
+ evas_object_resize(po->shadow, SHADOW_W, SHADOW_H);
+ evas_object_show(po->shadow);
+ }
+
+ po->hit = evas_object_polygon_add(evas_object_evas_get(parent));
+ evas_object_precise_is_inside_set(po->hit, EINA_TRUE);
+ evas_object_repeat_events_set(po->hit, EINA_TRUE);
+ evas_object_color_set(po->hit, 0, 0, 0, 0);
+
+ evas_object_resize(po->ic, po->bw, po->bh);
+ evas_object_show(po->ic);
+
+ evas_object_show(po->hit);
+
+ po->gl = elm_gesture_layer_add(po->ic);
+ elm_gesture_layer_hold_events_set(po->gl, EINA_TRUE);
+ elm_gesture_layer_attach(po->gl, po->hit);
+
+ /* FIXME: Add a po->rotate start so we take the first angle!!!! */
+ elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE, ELM_GESTURE_STATE_MOVE, rotate_move, po);
+ elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE, ELM_GESTURE_STATE_END, rotate_end, po);
+ elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE, ELM_GESTURE_STATE_ABORT, rotate_end, po);
+ elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM, ELM_GESTURE_STATE_START, zoom_start, po);
+ elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM, ELM_GESTURE_STATE_MOVE, zoom_move, po);
+ elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM, ELM_GESTURE_STATE_END, zoom_end, po);
+ elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM, ELM_GESTURE_STATE_ABORT, zoom_end, po);
+
+ po->rotate = po->base_rotate = angle;
+ po->shadow_zoom = 1.3;
+
+ apply_changes(po);
+ return po;
+}
+
+void
+test_gesture_layer(void *data __UNUSED__, Evas_Object *obj __UNUSED__,
+ void *event_info __UNUSED__)
+{
+ Evas_Coord w, h;
+ Evas_Object *win, *bg;
+
+ w = 480;
+ h = 800;
+
+ win = elm_win_add(NULL, "gesture-layer", ELM_WIN_BASIC);
+ elm_win_title_set(win, "Gesture Layer");
+ elm_win_autodel_set(win, EINA_TRUE);
+ evas_object_resize(win, w, h);
+
+ bg = elm_bg_add(win);
+ elm_bg_file_set(bg, PACKAGE_DATA_DIR "/images/wood_01.jpg", NULL);
+ elm_win_resize_object_add(win, bg);
+ evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+ evas_object_show(bg);
+
+
+ photo_object_add(win, NULL, PACKAGE_DATA_DIR "/images/pol_sky.png", 200, 200, 365, 400, 0);
+ photo_object_add(win, NULL, PACKAGE_DATA_DIR "/images/pol_twofish.png", 40, 300, 365, 400, 45);
+
+ Evas_Object *en = elm_entry_add(win);
+ elm_entry_entry_set(en, "You can use whatever object you want, "
+ "even entries like this.");
+ elm_entry_line_wrap_set(en, ELM_WRAP_MIXED);
+
+ Evas_Object *postit = elm_layout_add(win);
+ elm_layout_file_set(postit, PACKAGE_DATA_DIR "/objects/postit_ent.edj", "main");
+ elm_layout_content_set(postit, "ent", en);
+
+ photo_object_add(win, postit, NULL, 50, 50, 382, 400, 355);
+
+ evas_object_show(win);
+}
+
+#endif
+
projects / framework / uifw / elementary.git / commitdiff
