Enlightenment CVS committal
Author : moom
Project : e17
Module : libs/etk
Dir : e17/libs/etk/src/lib
Modified Files:
etk_button.c etk_button.h etk_widget.c
Log Message:
* [Button] Fix potential bugs and cleanup/doc
===================================================================
RCS file: /cvs/e/e17/libs/etk/src/lib/etk_button.c,v
retrieving revision 1.34
retrieving revision 1.35
diff -u -3 -r1.34 -r1.35
--- etk_button.c 22 Feb 2007 04:36:25 -0000 1.34
+++ etk_button.c 23 Feb 2007 03:25:39 -0000 1.35
@@ -119,9 +119,10 @@
}
/**
- * @brief Creates a new button with a label and an icon defined by a stock id
- * @param stock_id the stock id corresponding to the label and the icon to use
+ * @brief Creates a new button with a label and an icon defined by a stock-id
+ * @param stock_id the stock-id corresponding to the label and the icon to use
* @return Returns the new button
+ * @note For some stock-id, the label is empty
* @see Etk_Stock
*/
Etk_Widget *etk_button_new_from_stock(Etk_Stock_Id stock_id)
@@ -135,7 +136,7 @@
}
/**
- * @brief Presses the button (the button should be released)
+ * @brief Presses the button if it wasn't already pressed
* @param button a button
*/
void etk_button_press(Etk_Button *button)
@@ -148,7 +149,7 @@
}
/**
- * @brief Releases the button (the button should be pressed)
+ * @brief Releases the button if it was pressed
* @param button a button
*/
void etk_button_release(Etk_Button *button)
@@ -178,30 +179,34 @@
*/
void etk_button_label_set(Etk_Button *button, const char *label)
{
- Etk_Widget *widget, *parent;
+ Etk_Widget *parent;
Etk_Bool rebuild;
- if (!(widget = ETK_WIDGET(button)))
+ if (!button)
return;
etk_label_set(ETK_LABEL(button->label), label);
- if (!label || *label == '\0')
- etk_widget_hide(button->label);
- else
- etk_widget_show(button->label);
/* Rebuild the button only if necessary (i.e. if the label is currently not
packed into the button) */
rebuild = ETK_TRUE;
for (parent = etk_widget_parent_get(button->label); parent; parent =
etk_widget_parent_get(parent))
{
- if (parent == widget)
+ if (parent == ETK_WIDGET(button))
{
rebuild = ETK_FALSE;
break;
}
}
+
if (rebuild)
_etk_button_rebuild(button);
+ else
+ {
+ if (!label || *label == '\0')
+ etk_widget_hide(button->label);
+ else
+ etk_widget_show(button->label);
+ }
etk_object_notify(ETK_OBJECT(button), "label");
}
@@ -219,9 +224,13 @@
}
/**
- * @brief Sets the image of the button. The current image will be unpacked,
but not destroyed
+ * @brief Sets the image of the button
* @param button a button
* @param image the image to set
+ * @note The current image will be destroyed only if it has been set with
etk_button_new_from_stock()
+ * or with etk_button_set_from_stock(). Otherwise, it will just be unpacked
and you'll still be able to use it
+ * @note The image will be automatically shown, but you can still manually
hide it with calling etk_widget_hide()
+ * after having called etk_button_image_set()
*/
void etk_button_image_set(Etk_Button *button, Etk_Image *image)
{
@@ -230,12 +239,16 @@
if (button->image)
{
- etk_signal_block("child_removed", ETK_OBJECT(button->box),
ETK_CALLBACK(_etk_button_image_removed_cb));
- etk_container_remove(ETK_CONTAINER(button->box),
ETK_WIDGET(button->image));
- etk_signal_unblock("child_removed", ETK_OBJECT(button->box),
ETK_CALLBACK(_etk_button_image_removed_cb));
+ button->ignore_image_remove = ETK_TRUE;
+ if (button->image_from_stock)
+ etk_object_destroy(ETK_OBJECT(button->image));
+ else
+ etk_container_remove(ETK_CONTAINER(button->box),
ETK_WIDGET(button->image));
+ button->ignore_image_remove = ETK_FALSE;
}
button->image = image;
+ button->image_from_stock = ETK_FALSE;
_etk_button_rebuild(button);
etk_object_notify(ETK_OBJECT(button), "image");
}
@@ -243,7 +256,7 @@
/**
* @brief Gets the image of the button
* @param button a button
- * @return Returns the image of button
+ * @return Returns the image of the button, or NULL if the button has no image
*/
Etk_Image *etk_button_image_get(Etk_Button *button)
{
@@ -253,9 +266,10 @@
}
/**
- * @brief Sets the label and the image of the button from a stock id
+ * @brief Sets the label and the image of the button from a stock-id
* @param button a button
- * @param stock_id the stock id to use
+ * @param stock_id the stock-id to use
+ * @note For some stock-id, the label is empty
*/
void etk_button_set_from_stock(Etk_Button *button, Etk_Stock_Id stock_id)
{
@@ -270,15 +284,16 @@
image = etk_image_new_from_stock(stock_id, button->stock_size);
etk_widget_internal_set(image, ETK_TRUE);
- etk_widget_show(image);
etk_button_image_set(ETK_BUTTON(button), ETK_IMAGE(image));
+ button->image_from_stock = ETK_TRUE;
}
/**
- * @brief Sets the alignment of the child of the button (it only has effect if
the child is a label, or an alignment)
+ * @brief Sets the alignment of the child of the button
* @param button a button
* @param xalign the horizontal alignment (0.0 = left, 0.5 = center, 1.0 =
right, ...)
* @param yalign the vertical alignment (0.0 = top, 0.5 = center, 1.0 =
bottom, ...)
+ * @note It only has effect if the child is a label or an alignment
*/
void etk_button_alignment_set(Etk_Button *button, float xalign, float yalign)
{
@@ -314,7 +329,7 @@
}
/**
- * @brief Gets the alignment of the child of the button
+ * @brief Gets the alignment of the button's child
* @param button a button
* @param xalign the location where to store the horizontal alignment
* @param yalign the location where to store the vertical alignment
@@ -340,17 +355,13 @@
button->style = style;
if (button->box)
{
- if (button->image)
- {
- etk_signal_block("child_removed", ETK_OBJECT(button->box),
ETK_CALLBACK(_etk_button_image_removed_cb));
- etk_container_remove(ETK_CONTAINER(button->box),
ETK_WIDGET(button->image));
- etk_signal_unblock("child_removed", ETK_OBJECT(button->box),
ETK_CALLBACK(_etk_button_image_removed_cb));
- }
- if (button->label)
- etk_container_remove(ETK_CONTAINER(button->box),
ETK_WIDGET(button->label));
+ button->ignore_image_remove = ETK_TRUE;
+ etk_container_remove_all(ETK_CONTAINER(button->box));
etk_object_destroy(ETK_OBJECT(button->box));
+ button->ignore_image_remove = ETK_FALSE;
button->box = NULL;
}
+
_etk_button_rebuild(button);
etk_object_notify(ETK_OBJECT(button), "style");
}
@@ -432,8 +443,9 @@
button->released = _etk_button_released_handler;
button->clicked = _etk_button_clicked_handler;
- button->building = ETK_FALSE;
+ button->ignore_image_remove = ETK_FALSE;
button->is_pressed = ETK_FALSE;
+ button->image_from_stock = ETK_FALSE;
button->xalign = 0.5;
button->yalign = 0.5;
@@ -537,10 +549,12 @@
if (!(button = ETK_BUTTON(data)) || (child != ETK_WIDGET(button->image)))
return;
- if (!button->building)
+ if (!button->ignore_image_remove)
{
button->image = NULL;
- _etk_button_rebuild(button);
+ /* We rebuild the button only if the button's child is not a
user-defined widget */
+ if (button->alignment == etk_bin_child_get(ETK_BIN(button)))
+ _etk_button_rebuild(button);
etk_object_notify(ETK_OBJECT(button), "image");
}
}
@@ -640,22 +654,24 @@
etk_widget_theme_signal_emit(ETK_WIDGET(button), "etk,state,clicked",
ETK_FALSE);
}
-/* Rebuilds the children of the button */
+/* Rebuilds the default layout for the button */
static void _etk_button_rebuild(Etk_Button *button)
{
+ const char *text;
+
if (!button)
return;
- button->building = ETK_TRUE;
+ button->ignore_image_remove = ETK_TRUE;
+ /* Rebuild the containers containing the label and image */
if (button->image)
{
if (!button->alignment)
{
button->alignment = etk_alignment_new(button->xalign, button->yalign,
0.0, 0.0);
- etk_container_add(ETK_CONTAINER(button), button->alignment);
etk_widget_internal_set(button->alignment, ETK_TRUE);
- etk_widget_pass_mouse_events_set(button->alignment, ETK_TRUE);
+ etk_container_add(ETK_CONTAINER(button), button->alignment);
etk_widget_show(button->alignment);
}
@@ -665,11 +681,11 @@
button->box = etk_vbox_new(ETK_FALSE, 2);
else
button->box = etk_hbox_new(ETK_FALSE, 8);
- etk_container_add(ETK_CONTAINER(button->alignment), button->box);
etk_widget_internal_set(button->box, ETK_TRUE);
- etk_widget_pass_mouse_events_set(button->box, ETK_TRUE);
+ etk_container_add(ETK_CONTAINER(button->alignment), button->box);
etk_widget_show(button->box);
- etk_signal_connect("child_removed", ETK_OBJECT(button->box),
ETK_CALLBACK(_etk_button_image_removed_cb), button);
+ etk_signal_connect("child_removed", ETK_OBJECT(button->box),
+ ETK_CALLBACK(_etk_button_image_removed_cb), button);
}
else
etk_container_remove_all(ETK_CONTAINER(button->box));
@@ -685,17 +701,24 @@
etk_object_destroy(ETK_OBJECT(button->alignment));
button->alignment = NULL;
button->box = NULL;
-
+
etk_label_alignment_set(ETK_LABEL(button->label), button->xalign,
button->yalign);
etk_container_add(ETK_CONTAINER(button), button->label);
}
- if (button->style == ETK_BUTTON_TEXT)
- etk_widget_hide(ETK_WIDGET(button->image));
- else if (button->style == ETK_BUTTON_ICON)
+ /* Show/hide the label and the image */
+ text = etk_label_get(ETK_LABEL(button->label));
+ if (button->style != ETK_BUTTON_ICON && text && *text != '\0')
+ etk_widget_show(button->label);
+ else
etk_widget_hide(button->label);
- button->building = ETK_FALSE;
+ if (button->style != ETK_BUTTON_TEXT)
+ etk_widget_show(ETK_WIDGET(button->image));
+ else
+ etk_widget_hide(ETK_WIDGET(button->image));
+
+ button->ignore_image_remove = ETK_FALSE;
}
/** @} */
@@ -712,7 +735,7 @@
* @image html widgets/button.png
* An Etk_Button usually contains only a label and an icon, but it can contain
any type of widgets. @n
* You can change the label of the button with etk_button_label_set(), and you
can change its icon with
- * etk_button_image_set()
+ * etk_button_image_set(). You can also pack your own widget with
etk_bin_child_set()
*
* \par Object Hierarchy:
* - Etk_Object
===================================================================
RCS file: /cvs/e/e17/libs/etk/src/lib/etk_button.h,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -3 -r1.14 -r1.15
--- etk_button.h 22 Feb 2007 04:36:25 -0000 1.14
+++ etk_button.h 23 Feb 2007 03:25:40 -0000 1.15
@@ -19,10 +19,8 @@
/** Checks if the object is an Etk_Button */
#define ETK_IS_BUTTON(obj) (ETK_OBJECT_CHECK_TYPE((obj), ETK_BUTTON_TYPE))
-/**
- * @enum Etk_Button_Style
- * @brief The button's style (icon, text, both vertically, both horizontally)
- */
+
+/** @brief The button's style (icon, text, both vertically, both horizontally)
*/
typedef enum Etk_Button_Style
{
ETK_BUTTON_ICON, /**< Only the icon is visible */
@@ -31,6 +29,7 @@
ETK_BUTTON_BOTH_VERT /**< Both the icon and the label are visible,
the icon is above the label */
} Etk_Button_Style;
+
/**
* @brief @widget A widget that can be pressed, released or clicked
* @structinfo
@@ -50,13 +49,15 @@
void (*released)(Etk_Button *button);
void (*clicked)(Etk_Button *button);
- Etk_Bool building;
Etk_Bool is_pressed;
+ Etk_Bool ignore_image_remove;
+ Etk_Bool image_from_stock;
float xalign;
float yalign;
Etk_Button_Style style;
Etk_Stock_Size stock_size;
};
+
Etk_Type *etk_button_type_get(void);
Etk_Widget *etk_button_new(void);
===================================================================
RCS file: /cvs/e/e17/libs/etk/src/lib/etk_widget.c,v
retrieving revision 1.98
retrieving revision 1.99
diff -u -3 -r1.98 -r1.99
--- etk_widget.c 22 Feb 2007 22:24:25 -0000 1.98
+++ etk_widget.c 23 Feb 2007 03:25:40 -0000 1.99
@@ -1693,7 +1693,7 @@
*/
void etk_widget_dnd_source_set(Etk_Widget *widget, Etk_Bool on)
{
- if (!widget)
+ //if (!widget)
return;
if (on)
@@ -1767,7 +1767,7 @@
*/
void etk_widget_dnd_drag_widget_set(Etk_Widget *widget, Etk_Widget
*drag_widget)
{
- if(!widget || !drag_widget)
+ //if(!widget || !drag_widget)
return;
etk_container_add(ETK_CONTAINER(widget->drag), drag_widget);
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