Data Structures | |
| struct | address_const_of |
| struct | address_of |
Public Member Functions | |
| bool | clipees_has () const |
Test if any object is clipped by obj. More... | |
| bool | key_grab (std::string keyname_, Evas_Modifier_Mask modifiers_, Evas_Modifier_Mask not_modifiers_, bool exclusive_) const |
Requests keyname key events be directed to obj. More... | |
| void | stack_below (::evas::object below_) const |
Stack obj immediately below below. More... | |
| void | raise () const |
Raise obj to the top of its layer. More... | |
| void | stack_above (::evas::object above_) const |
Stack obj immediately above above. More... | |
| bool | smart_type_check (std::string type_) const |
| Checks whether a given smart object or any of its smart object parents is of a given smart class. More... | |
| ::efl::eina::optional< ::evas::object > | name_child_find (::efl::eina::optional< std::string > name_, int recurse_) const |
| Retrieves the object from children of the given object with the given name. More... | |
| void | key_ungrab (std::string keyname_, Evas_Modifier_Mask modifiers_, Evas_Modifier_Mask not_modifiers_) const |
Removes the grab on keyname key events by obj. More... | |
| void | lower () const |
Lower obj to the bottom of its layer. More... | |
| void | clip_unset () const |
Disable/cease clipping on a clipped obj object. More... | |
| void | smart_move_children_relative (Evas_Coord dx_, Evas_Coord dy_) const |
| Moves all children objects of a given smart object relative to a given offset. More... | |
| bool | smart_type_check_ptr (std::string type_) const |
| Checks whether a given smart object or any of its smart object parents is of a given smart class, using pointer comparison. More... | |
| void | size_hint_max_get (Evas_Coord *w_, Evas_Coord *h_) const |
| Retrieves the hints for an object's maximum size. More... | |
| void | size_hint_max_set (Evas_Coord w_, Evas_Coord h_) const |
| Sets the hints for an object's maximum size. More... | |
| void | size_hint_request_get (Evas_Coord *w_, Evas_Coord *h_) const |
| Retrieves the hints for an object's optimum size. More... | |
| void | size_hint_request_set (Evas_Coord w_, Evas_Coord h_) const |
| Sets the hints for an object's optimum size. More... | |
| bool | visibility_get () const |
| Retrieves whether or not the given Evas object is visible. More... | |
| void | visibility_set (bool v_) const |
| Makes the given Evas object visible or invisible. More... | |
| ::efl::eina::optional< std::string > | type_get () const |
| Retrieves the type of the given Evas object. More... | |
| void | type_set (::efl::eina::optional< std::string > type_) const |
| Sets the type of the given Evas object. More... | |
| void | size_hint_min_get (Evas_Coord *w_, Evas_Coord *h_) const |
| Retrieves the hints for an object's minimum size. More... | |
| void | size_hint_min_set (Evas_Coord w_, Evas_Coord h_) const |
| Sets the hints for an object's minimum size. More... | |
| Evas_Object_Pointer_Mode | pointer_mode_get () const |
| Determine how pointer will behave. More... | |
| void | pointer_mode_set (Evas_Object_Pointer_Mode pointer_mode_) const |
| Set pointer behavior. More... | |
| Evas_Render_Op | render_op_get () const |
| Retrieves the current value of the operation used for rendering the Evas object. More... | |
| void | render_op_set (Evas_Render_Op render_op_) const |
| Sets the render_op to be used for rendering the Evas object. More... | |
| bool | freeze_events_get () const |
| Determine whether an object is set to freeze (discard) events. More... | |
| void | freeze_events_set (bool freeze_) const |
| Set whether an Evas object is to freeze (discard) events. More... | |
| const Evas_Map * | map_get () const |
| Get current object transformation map. More... | |
| void | map_set (const Evas_Map *map_) const |
| Set current object transformation map. More... | |
| void | size_hint_aspect_get (Evas_Aspect_Control *aspect_, Evas_Coord *w_, Evas_Coord *h_) const |
| Retrieves the hints for an object's aspect ratio. More... | |
| void | size_hint_aspect_set (Evas_Aspect_Control aspect_, Evas_Coord w_, Evas_Coord h_) const |
| Sets the hints for an object's aspect ratio. More... | |
| short | layer_get () const |
| Retrieves the layer of its canvas that the given object is part of. More... | |
| void | layer_set (short l_) const |
| Sets the layer of its canvas that the given object will be part of. More... | |
| ::evas::object | clip_get () const |
Get the object clipping obj (if any). More... | |
| void | clip_set (::evas::object clip_) const |
| Clip one object to another. More... | |
| void | size_hint_padding_get (Evas_Coord *l_, Evas_Coord *r_, Evas_Coord *t_, Evas_Coord *b_) const |
| Retrieves the hints for an object's padding space. More... | |
| void | size_hint_padding_set (Evas_Coord l_, Evas_Coord r_, Evas_Coord t_, Evas_Coord b_) const |
| Sets the hints for an object's padding space. More... | |
| bool | repeat_events_get () const |
| Determine whether an object is set to repeat events. More... | |
| void | repeat_events_set (bool repeat_) const |
| Set whether an Evas object is to repeat events. More... | |
| void | size_hint_weight_get (double *x_, double *y_) const |
| Retrieves the hints for an object's weight. More... | |
| void | size_hint_weight_set (double x_, double y_) const |
| Sets the hints for an object's weight. More... | |
| ::efl::eina::optional< std::string > | name_get () const |
| Retrieves the name of the given Evas object. More... | |
| void | name_set (::efl::eina::optional< std::string > name_) const |
| Sets the name of the given Evas object to the given name. More... | |
| double | scale_get () const |
| Retrieves the scaling factor for the given Evas object. More... | |
| void | scale_set (double scale_) const |
| Sets the scaling factor for an Evas object. More... | |
| bool | static_clip_get () const |
| Get the "static clipper" hint flag for a given Evas object. More... | |
| void | static_clip_set (bool is_static_clip_) const |
| Set a hint flag on the given Evas object that it's used as a "static
clipper". More... | |
| void | size_get (Evas_Coord *w_, Evas_Coord *h_) const |
| Retrieves the (rectangular) size of the given Evas object. More... | |
| void | size_set (Evas_Coord w_, Evas_Coord h_) const |
| Changes the size of the given Evas object. More... | |
| bool | focus_get () const |
| Retrieve whether an object has the focus. More... | |
| void | focus_set (bool focus_) const |
| Sets or unsets a given object as the currently focused one on its canvas. More... | |
| bool | is_frame_object_get () const |
| void | is_frame_object_set (bool is_frame_) const |
| bool | map_enable_get () const |
| Get the map enabled state. More... | |
| void | map_enable_set (bool enabled_) const |
| Enable or disable the map that is set. More... | |
| bool | precise_is_inside_get () const |
| Determine whether an object is set to use precise point collision detection. More... | |
| void | precise_is_inside_set (bool precise_) const |
| Set whether to use precise (usually expensive) point collision detection for a given Evas object. More... | |
| void | size_hint_align_get (double *x_, double *y_) const |
| Retrieves the hints for on object's alignment. More... | |
| void | size_hint_align_set (double x_, double y_) const |
| Sets the hints for an object's alignment. More... | |
| bool | propagate_events_get () const |
| Retrieve whether an Evas object is set to propagate events. More... | |
| void | propagate_events_set (bool propagate_) const |
| Set whether events on a smart object's member should get propagated up to its parent. More... | |
| bool | pass_events_get () const |
| Determine whether an object is set to pass (ignore) events. More... | |
| void | pass_events_set (bool pass_) const |
| Set whether an Evas object is to pass (ignore) events. More... | |
| void | position_get (Evas_Coord *x_, Evas_Coord *y_) const |
| Retrieves the position of the given Evas object. More... | |
| void | position_set (Evas_Coord x_, Evas_Coord y_) const |
| Move the given Evas object to the given location inside its canvas' viewport. More... | |
| bool | anti_alias_get () const |
| Retrieves whether or not the given Evas object is to be drawn anti_aliased. More... | |
| void | anti_alias_set (bool anti_alias_) const |
| Sets whether or not the given Evas object is to be drawn anti-aliased. More... | |
| void | color_get (int *r_, int *g_, int *b_, int *a_) const |
| Retrieves the general/main color of the given Evas object. More... | |
| void | color_set (int r_, int g_, int b_, int a_) const |
| Sets the general/main color of the given Evas object to the given one. More... | |
| void * | smart_data_get () const |
| Retrieve user data stored on a given smart object. More... | |
| ::efl::eina::optional< ::evas::object > | smart_clipped_clipper_get () const |
| Get the clipper object for the given clipped smart object. More... | |
| ::efl::eina::optional< ::evas::object > | below_get () const |
Get the Evas object stacked right below obj. More... | |
| ::efl::eina::optional< ::efl::eina::crange_list< ::evas::object > > | clipees_get () const |
Return a list of objects currently clipped by obj. More... | |
| ::efl::eina::optional< ::evas::object > | smart_parent_get () const |
| Gets the parent smart object of a given Evas object, if it has one. More... | |
| ::efl::eina::optional< ::evas::object > | above_get () const |
Get the Evas object stacked right above obj. More... | |
| Evas_Display_Mode | size_hint_display_mode_get () const |
| Retrieves the hints for an object's display mode. More... | |
| void | size_hint_display_mode_set (Evas_Display_Mode dispmode_) const |
| Sets the hints for an object's disply mode. More... | |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_mouse_in_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_mouse_in_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_mouse_out_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_mouse_out_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_mouse_down_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_mouse_down_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_mouse_up_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_mouse_up_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_mouse_move_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_mouse_move_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_mouse_wheel_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_mouse_wheel_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_multi_down_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_multi_down_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_multi_up_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_multi_up_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_multi_move_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_multi_move_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_free_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_free_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_key_down_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_key_down_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_key_up_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_key_up_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_focus_in_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_focus_in_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_focus_out_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_focus_out_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_show_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_show_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_hide_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_hide_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_move_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_move_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_resize_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_resize_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_restack_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_restack_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_del_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_del_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_hold_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_hold_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_changed_size_hints_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_changed_size_hints_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_image_preloaded_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_image_preloaded_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_image_resize_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_image_resize_call (T *info) |
| template<typename F > | |
| ::efl::eo::signal_connection | callback_image_unloaded_add (F &&callback_,::efl::eo::callback_priority priority_=::efl::eo::callback_priorities::default_) |
| template<typename T > | |
| void | callback_image_unloaded_call (T *info) |
| operator::evas::object () const | |
| operator::evas::object & () | |
| operator::evas::object const & () const | |
Static Public Member Functions | |
| static Eo_Class const * | _eo_class () |
|
inline |
Test if any object is clipped by obj.
obj clip any object.
|
inline |
Requests keyname key events be directed to obj.
EINA_TRUE, if the call succeeded, EINA_FALSE otherwise.Key grabs allow one or more objects to receive key events for specific key strokes even if other objects have focus. Whenever a key is grabbed, only the objects grabbing it will get the events for the given keys.
keyname is a platform dependent symbolic name for the key pressed (see Key Input Functions for more information).
modifiers and not_modifiers are bit masks of all the modifiers that must and mustn't, respectively, be pressed along with keyname key in order to trigger this new key grab. Modifiers can be things such as Shift and Ctrl as well as user defined types via evas_key_modifier_add(). Retrieve them with evas_key_modifier_mask_get() or use 0 for empty masks.
exclusive will make the given object the only one permitted to grab the given key. If given EINA_TRUE, subsequent calls on this function with different obj arguments will fail, unless the key is ungrabbed again.
Example code follows.
See the full example here.
| keyname | the key to request events for. |
| modifiers | a mask of modifiers that must be present to trigger the event. |
| not_modifiers | a mask of modifiers that must not be present to trigger the event. |
| exclusive | request that the obj is the only object receiving the keyname events. |
|
inline |
Stack obj immediately below below.
Objects, in a given canvas, are stacked in the order they get added to it. This means that, if they overlap, the highest ones will cover the lowest ones, in that order. This function is a way to change the stacking order for the objects.
This function is intended to be used with objects belonging to the same layer in a given canvas, otherwise it will fail (and accomplish nothing).
If you have smart objects on your canvas and obj is a member of one of them, then below must also be a member of the same smart object.
Similarly, if obj is not a member of a smart object, below must not be either.
| below | the object below which to stack |
|
inline |
Raise obj to the top of its layer.
obj will, then, be the highest one in the layer it belongs to. Object on other layers won't get touched.
|
inline |
Stack obj immediately above above.
Objects, in a given canvas, are stacked in the order they get added to it. This means that, if they overlap, the highest ones will cover the lowest ones, in that order. This function is a way to change the stacking order for the objects.
This function is intended to be used with objects belonging to the same layer in a given canvas, otherwise it will fail (and accomplish nothing).
If you have smart objects on your canvas and obj is a member of one of them, then above must also be a member of the same smart object.
Similarly, if obj is not a member of a smart object, above must not be either.
| above | the object above which to stack |
|
inline |
Removes the grab on keyname key events by obj.
Removes a key grab on obj if keyname, modifiers, and not_modifiers match.
Example code follows.
See the full example here.
| keyname | the key the grab is set for. |
| modifiers | a mask of modifiers that must be present to trigger the event. |
| not_modifiers | a mask of modifiers that must not not be present to trigger the event. |
|
inline |
Lower obj to the bottom of its layer.
obj will, then, be the lowest one in the layer it belongs to. Objects on other layers won't get touched.
|
inline |
Disable/cease clipping on a clipped obj object.
This function disables clipping for the object obj, if it was already clipped, i.e., its visibility and color get detached from the previous clipper. If it wasn't, this has no effect. The object obj must be a valid .Evas_Object.
See also evas_object_clip_set() (for an example), evas_object_clipees_get() and evas_object_clip_get().
|
inline |
Moves all children objects of a given smart object relative to a given offset.
This will make each of obj object's children to move, from where they before, with those delta values (offsets) on both directions.
move() functions.move() smart function definition.| dx | horizontal offset (delta). |
| dy | vertical offset (delta). |
|
inline |
Retrieves the hints for an object's maximum size.
These are hints on the maximum sizes obj should have. This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
NULL pointers on the hint components you're not interested in: they'll be ignored by the function.| w | Integer to use as the maximum width hint. |
| h | Integer to use as the maximum height hint. |
|
inline |
Sets the hints for an object's maximum size.
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
Values -1 will be treated as unset hint components, when queried by managers.
Example:
In this example the maximum size hints change the behavior of an Evas box when layouting its children. See the full example.
| w | Integer to use as the maximum width hint. |
| h | Integer to use as the maximum height hint. |
|
inline |
Retrieves the hints for an object's optimum size.
These are hints on the optimum sizes obj should have. This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
NULL pointers on the hint components you're not interested in: they'll be ignored by the function.| w | Integer to use as the preferred width hint. |
| h | Integer to use as the preferred height hint. |
|
inline |
Sets the hints for an object's optimum size.
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
Values 0 will be treated as unset hint components, when queried by managers.
| w | Integer to use as the preferred width hint. |
| h | Integer to use as the preferred height hint. |
|
inline |
Retrieves whether or not the given Evas object is visible.
| v | EINA_TRUE if to make the object visible, EINA_FALSE otherwise |
|
inline |
Makes the given Evas object visible or invisible.
| v | EINA_TRUE if to make the object visible, EINA_FALSE otherwise |
|
inline |
Retrieves the type of the given Evas object.
For Evas' builtin types, the return strings will be one of:
"rectangle","line","polygon","text","textblock" and"image".For Evas smart objects (see Smart Functions), the name of the smart class itself is returned on this call. For the built-in smart objects, these names are:
"EvasObjectSmartClipped", for the clipped smart object"Evas_Object_Box", for the box object and"Evas_Object_Table", for the table object.Example:
See the full example.
| type | in |
|
inline |
Sets the type of the given Evas object.
| type | in |
|
inline |
Retrieves the hints for an object's minimum size.
These are hints on the minimum sizes obj should have. This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
NULL pointers on the hint components you're not interested in: they'll be ignored by the function.| w | Integer to use as the minimum width hint. |
| h | Integer to use as the minimum height hint. |
|
inline |
Sets the hints for an object's minimum size.
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
Values 0 will be treated as unset hint components, when queried by managers.
Example:
In this example the minimum size hints change the behavior of an Evas box when layouting its children. See the full example.
| w | Integer to use as the minimum width hint. |
| h | Integer to use as the minimum height hint. |
|
inline |
Determine whether an object is set to freeze (discard) events.
obj is set to freeze events (EINA_TRUE) or not (EINA_FALSE)| freeze | pass whether obj is to freeze events (EINA_TRUE) or not (EINA_FALSE) |
|
inline |
Set whether an Evas object is to freeze (discard) events.
If freeze is EINA_TRUE, it will make events on obj to be discarded. Unlike evas_object_pass_events_set(), events will not be passed to next lower object. This API can be used for blocking events while obj is on transiting.
If freeze is EINA_FALSE, events will be processed on that object as normal.
| freeze | pass whether obj is to freeze events (EINA_TRUE) or not (EINA_FALSE) |
|
inline |
Get current object transformation map.
This returns the current internal map set on the indicated object. It is intended for read-only access and is only valid as long as the object is not deleted or the map on the object is not changed. If you wish to modify the map and set it back do the following:
| map | new map to use |
|
inline |
Set current object transformation map.
This sets the map on a given object. It is copied from the map pointer, so there is no need to keep the map object if you don't need it anymore.
A map is a set of 4 points which have canvas x, y coordinates per point, with an optional z point value as a hint for perspective correction, if it is available. As well each point has u and v coordinates. These are like "texture coordinates" in OpenGL in that they define a point in the source image that is mapped to that map vertex/point. The u corresponds to the x coordinate of this mapped point and v, the y coordinate. Note that these coordinates describe a bounding region to sample. If you have a 200x100 source image and want to display it at 200x100 with proper pixel precision, then do:
Note that the map points a uv coordinates match the image geometry. If the map parameter is NULL, the stored map will be freed and geometry prior to enabling/setting a map will be restored.
| map | new map to use |
|
inline |
Retrieves the hints for an object's aspect ratio.
The different aspect ratio policies are documented in the Evas_Aspect_Control type. A container respecting these size hints would resize its children accordingly to those policies.
For any policy, if any of the given aspect ratio terms are 0, the object's container should ignore the aspect and scale obj to occupy the whole available area. If they are both positive integers, that proportion will be respected, under each scaling policy.
These images illustrate some of the Evas_Aspect_Control policies:
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
NULL pointers on the hint components you're not interested in: they'll be ignored by the function.Example:
See the full example.
| aspect | The policy/type of aspect ratio to apply to obj. |
| w | Integer to use as aspect width ratio term. |
| h | Integer to use as aspect height ratio term. |
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Sets the hints for an object's aspect ratio.
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
If any of the given aspect ratio terms are 0, the object's container will ignore the aspect and scale obj to occupy the whole available area, for any given policy.
| aspect | The policy/type of aspect ratio to apply to obj. |
| w | Integer to use as aspect width ratio term. |
| h | Integer to use as aspect height ratio term. |
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Retrieves the layer of its canvas that the given object is part of.
| l | The number of the layer to place the object on. Must be between EVAS_LAYER_MIN and EVAS_LAYER_MAX. |
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Sets the layer of its canvas that the given object will be part of.
If you don't use this function, you'll be dealing with an unique layer of objects, the default one. Additional layers are handy when you don't want a set of objects to interfere with another set with regard to stacking. Two layers are completely disjoint in that matter.
This is a low-level function, which you'd be using when something should be always on top, for example.
| l | The number of the layer to place the object on. Must be between EVAS_LAYER_MIN and EVAS_LAYER_MAX. |
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Get the object clipping obj (if any).
This function returns the object clipping obj. If obj is not being clipped at all, NULL is returned. The object obj must be a valid .Evas_Object.
See also evas_object_clip_set(), evas_object_clip_unset() and evas_object_clipees_get().
Example:
See the full example.
| clip | The object to clip obj by |
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Clip one object to another.
This function will clip the object obj to the area occupied by the object clip. This means the object obj will only be visible within the area occupied by the clipping object (clip).
The color of the object being clipped will be multiplied by the color of the clipping one, so the resulting color for the former will be RESULT = (OBJ * CLIP) / (255 * 255), per color element (red, green, blue and alpha).
Clipping is recursive, so clipping objects may be clipped by others, and their color will in term be multiplied. You may not set up circular clipping lists (i.e. object 1 clips object 2, which clips object 1): the behavior of Evas is undefined in this case.
Objects which do not clip others are visible in the canvas as normal; those that clip one or more objects become invisible themselves, only affecting what they clip. If an object ceases to have other objects being clipped by it, it will become visible again.
The visibility of an object affects the objects that are clipped by it, so if the object clipping others is not shown (as in evas_object_show()), the objects clipped by it will not be shown either.
If obj was being clipped by another object when this function is called, it gets implicitly removed from the old clipper's domain and is made now to be clipped by its new clipper.
The following figure illustrates some clipping in Evas:
clip must be a valid object, but can also be NULL, in which case the effect of this function is the same as calling evas_object_clip_unset() on the obj object.Example:
See the full example.
| clip | The object to clip obj by |
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Retrieves the hints for an object's padding space.
Padding is extra space an object takes on each of its delimiting rectangle sides, in canvas units. This space will be rendered transparent, naturally, as in the following figure:
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
NULL pointers on the hint components you're not interested in: they'll be ignored by the function.Example:
In this example the padding hints change the behavior of an Evas box when layouting its children. See the full example.
| l | Integer to specify left padding. |
| r | Integer to specify right padding. |
| t | Integer to specify top padding. |
| b | Integer to specify bottom padding. |
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Sets the hints for an object's padding space.
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
| l | Integer to specify left padding. |
| r | Integer to specify right padding. |
| t | Integer to specify top padding. |
| b | Integer to specify bottom padding. |
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Determine whether an object is set to repeat events.
obj is set to repeat events (EINA_TRUE) or not (EINA_FALSE)| repeat | whether obj is to repeat events (EINA_TRUE) or not (EINA_FALSE) |
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Set whether an Evas object is to repeat events.
If repeat is EINA_TRUE, it will make events on obj to also be repeated for the next lower object in the objects' stack (see see evas_object_below_get()).
If repeat is EINA_FALSE, events occurring on obj will be processed only on it.
Example:
See the full example.
| repeat | whether obj is to repeat events (EINA_TRUE) or not (EINA_FALSE) |
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Retrieves the hints for an object's weight.
Accepted values are zero or positive values. Some users might use this hint as a boolean, but some might consider it as a proportion, see documentation of possible users, which in Evas are the box and table smart objects.
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
NULL pointers on the hint components you're not interested in: they'll be ignored by the function. obj is invalid, then the hint components will be set with 0.0| x | Nonnegative double value to use as horizontal weight hint. |
| y | Nonnegative double value to use as vertical weight hint. |
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Sets the hints for an object's weight.
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
This is a hint on how a container object should resize a given child within its area. Containers may adhere to the simpler logic of just expanding the child object's dimensions to fit its own (see the EVAS_HINT_EXPAND helper weight macro) or the complete one of taking each child's weight hint as real weights to how much of its size to allocate for them in each axis. A container is supposed to, after normalizing the weights of its children (with weight hints), distribute the space it has to layout them by those factors – most weighted children get larger in this process than the least ones.
Example:
In this example the weight hints change the behavior of an Evas box when layouting its children. See the full example.
| x | Nonnegative double value to use as horizontal weight hint. |
| y | Nonnegative double value to use as vertical weight hint. |
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Retrieves the name of the given Evas object.
NULL, if no name has been given to it.Example:
See the full example.
| name | The given name. |
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Sets the name of the given Evas object to the given name.
There might be occasions where one would like to name his/her objects.
Example:
See the full example.
| name | The given name. |
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Retrieves the (rectangular) size of the given Evas object.
| w | in |
| h | in |
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Changes the size of the given Evas object.
| w | in |
| h | in |
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Retrieve whether an object has the focus.
EINA_TRUE if the object has the focus, EINA_FALSE otherwise.If the passed object is the currently focused one, EINA_TRUE is returned. EINA_FALSE is returned, otherwise.
Example:
See the full example here.
| focus | EINA_TRUE, to set it as focused or EINA_FALSE, to take away the focus from it. |
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Sets or unsets a given object as the currently focused one on its canvas.
Changing focus only affects where (key) input events go. There can be only one object focused at any time. If focus is EINA_TRUE, obj will be set as the currently focused object and it will receive all keyboard events that are not exclusive key grabs on other objects.
Example:
See the full example here.
| focus | EINA_TRUE, to set it as focused or EINA_FALSE, to take away the focus from it. |
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| is_frame | in |
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| is_frame | in |
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Get the map enabled state.
This returns the currently enabled state of the map on the object indicated. The default map enable state is off. You can enable and disable it with evas_object_map_enable_set().
| enabled | enabled state |
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Enable or disable the map that is set.
Enable or disable the use of map for the object obj. On enable, the object geometry will be saved, and the new geometry will change (position and size) to reflect the map geometry set.
If the object doesn't have a map set (with evas_object_map_set()), the initial geometry will be undefined. It is advised to always set a map to the object first, and then call this function to enable its use.
| enabled | enabled state |
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Retrieves the hints for on object's alignment.
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
NULL pointers on the hint components you're not interested in: they'll be ignored by the function. obj is invalid, then the hint components will be set with 0.5| x | Double, ranging from 0.0 to 1.0 or with the special value EVAS_HINT_FILL, to use as horizontal alignment hint. |
| y | Double, ranging from 0.0 to 1.0 or with the special value EVAS_HINT_FILL, to use as vertical alignment hint. |
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Sets the hints for an object's alignment.
These are hints on how to align an object inside the boundaries of a container/manager. Accepted values are in the 0.0 to 1.0 range, with the special value EVAS_HINT_FILL used to specify "justify" or "fill" by some users. In this case, maximum size hints should be enforced with higher priority, if they are set. Also, any padding hint set on objects should add up to the alignment space on the final scene composition.
See documentation of possible users: in Evas, they are the box and table smart objects.
For the horizontal component, 0.0 means to the left, 1.0 means to the right. Analogously, for the vertical component, 0.0 to the top, 1.0 means to the bottom.
See the following figure:
This is not a size enforcement in any way, it's just a hint that should be used whenever appropriate.
Example:
In this example the alignment hints change the behavior of an Evas box when layouting its children. See the full example.
| x | Double, ranging from 0.0 to 1.0 or with the special value EVAS_HINT_FILL, to use as horizontal alignment hint. |
| y | Double, ranging from 0.0 to 1.0 or with the special value EVAS_HINT_FILL, to use as vertical alignment hint. |
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Retrieve whether an Evas object is set to propagate events.
obj is set to propagate events (EINA_TRUE) or not (EINA_FALSE)| propagate | whether to propagate events (EINA_TRUE) or not (EINA_FALSE) |
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Set whether events on a smart object's member should get propagated up to its parent.
This function has no effect if obj is not a member of a smart object.
If prop is EINA_TRUE, events occurring on this object will be propagated on to the smart object of which obj is a member. If prop is EINA_FALSE, events occurring on this object will not be propagated on to the smart object of which obj is a member. The default value is EINA_TRUE.
| propagate | whether to propagate events (EINA_TRUE) or not (EINA_FALSE) |
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Determine whether an object is set to pass (ignore) events.
obj is set to pass events (EINA_TRUE) or not (EINA_FALSE)Example:
See the full example.
| pass | whether obj is to pass events (EINA_TRUE) or not (EINA_FALSE) |
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Set whether an Evas object is to pass (ignore) events.
If pass is EINA_TRUE, it will make events on obj to be ignored. They will be triggered on the next lower object (that is not set to pass events), instead (see evas_object_below_get()).
If pass is EINA_FALSE, events will be processed on that object as normal.
| pass | whether obj is to pass events (EINA_TRUE) or not (EINA_FALSE) |
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Retrieves the position of the given Evas object.
| x | in |
| y | in |
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Move the given Evas object to the given location inside its canvas' viewport.
| x | in |
| y | in |
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Get the clipper object for the given clipped smart object.
Use this function if you want to change any of this clipper's properties, like colors.
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Get the Evas object stacked right below obj.
obj, if any, or NULL, if noneThis function will traverse layers in its search, if there are objects on layers below the one obj is placed at.
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Return a list of objects currently clipped by obj.
obj This returns the internal list handle that contains all objects clipped by the object obj. If none are clipped by it, the call returns NULL. This list is only valid until the clip list is changed and should be fetched again with another call to evas_object_clipees_get() if any objects being clipped by this object are unclipped, clipped by a new object, deleted or get the clipper deleted. These operations will invalidate the list returned, so it should not be used anymore after that point. Any use of the list after this may have undefined results, possibly leading to crashes. The object obj must be a valid .Evas_Object.
See also evas_object_clip_set(), evas_object_clip_unset() and evas_object_clip_get().
Example:
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Get the Evas object stacked right above obj.
obj, if any, or NULL, if noneThis function will traverse layers in its search, if there are objects on layers above the one obj is placed at.
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Retrieves the hints for an object's display mode.
These are hints on the display mode obj. This is not a size enforcement in any way, it's just a hint that can be used whenever appropriate. This mode can be used object's display mode like commpress or expand
| dispmode | display mode hint |
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Sets the hints for an object's disply mode.
This is not a size enforcement in any way, it's just a hint that can be used whenever appropriate.
| dispmode | display mode hint |