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Support for changing the images during the runtime.

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This commit is contained in:
fendrin 2013-04-13 19:42:00 +02:00
parent 15df8fc629
commit 63e4db2140
2 changed files with 54 additions and 21 deletions
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69
src/widgets/button.cpp
View file

@ -43,21 +43,42 @@ button::button(CVideo& video, const std::string& label, button::TYPE type,
image_(NULL), pressedImage_(NULL), activeImage_(NULL), pressedActiveImage_(NULL),
disabledImage_(NULL), pressedDisabledImage_(NULL),
state_(NORMAL), pressed_(false),
spacing_(spacing), base_height_(0), base_width_(0)
spacing_(spacing), base_height_(0), base_width_(0),
button_image_name_()
{
if(button_image_name.empty() && type == TYPE_PRESS) {
button_image_name = "button";
} else if(button_image_name.empty() && type == TYPE_CHECK) {
button_image_name = "checkbox";
} else if(button_image_name.empty() && type == TYPE_RADIO) {
button_image_name = "radiobox";
if (button_image_name.empty()) {
switch (type_) {
case TYPE_PRESS:
button_image_name_ = "buttons/button";
break;
case TYPE_CHECK:
button_image_name_ = "buttons/checkbox";
break;
case TYPE_RADIO:
button_image_name_ = "buttons/radiobox";
break;
default:
break;
}
} else {
button_image_name_ = "buttons/" + button_image_name;
}
const std::string button_image_filebase = "buttons/" + button_image_name ;
surface button_image(image::get_image(button_image_filebase + ".png"));
surface pressed_image(image::get_image(button_image_filebase + "-pressed.png"));
surface active_image(image::get_image(button_image_filebase + "-active.png"));
surface disabled_image(image::get_image(button_image_filebase + "-disabled.png"));
if(button_image_name_.empty() && type_ == TYPE_PRESS) {
} else if(button_image_name_.empty() && type_ == TYPE_CHECK) {
} else if(button_image_name_.empty() && type_ == TYPE_RADIO) {
}
load_images();
}
void button::load_images() {
surface button_image(image::get_image(button_image_name_ + ".png"));
surface pressed_image(image::get_image(button_image_name_ + "-pressed.png"));
surface active_image(image::get_image(button_image_name_ + "-active.png"));
surface disabled_image(image::get_image(button_image_name_ + "-disabled.png"));
surface pressed_disabled_image, pressed_active_image, touched_image;
static const Uint32 disabled_btn_color = 0xAAAAAA;
@ -73,20 +94,19 @@ button::button(CVideo& video, const std::string& label, button::TYPE type,
if (active_image.null())
active_image.assign(button_image);
if (type == TYPE_CHECK || type == TYPE_RADIO) {
touched_image.assign(image::get_image("buttons/" + button_image_name + "-touched.png"));
if (type_ == TYPE_CHECK || type_ == TYPE_RADIO) {
touched_image.assign(image::get_image(button_image_name_ + "-touched.png"));
if (touched_image.null())
touched_image.assign(pressed_image);
pressed_active_image.assign(image::get_image("buttons/" + button_image_name + "-active-pressed.png"));
pressed_active_image.assign(image::get_image(button_image_name_ + "-active-pressed.png"));
if (pressed_active_image.null())
pressed_active_image.assign(pressed_image);
pressed_disabled_image.assign(image::get_image(button_image_filebase + "-disabled-pressed.png"));
if (pressed_disabled_image.null()) {
pressed_disabled_image = blend_surface(greyscale_image(pressed_image),
disabled_btn_adjust, disabled_btn_color);
}
pressed_disabled_image.assign(image::get_image(button_image_name_ + "-disabled-pressed.png"));
if (pressed_disabled_image.null())
pressed_disabled_image = blend_surface(greyscale_image(pressed_image),
disabled_btn_adjust, disabled_btn_color);
}
if (button_image.null()) {
@ -98,7 +118,7 @@ button::button(CVideo& video, const std::string& label, button::TYPE type,
base_width_ = button_image->w;
if (type_ != TYPE_IMAGE) {
set_label(label);
set_label(label_);
}
if(type_ == TYPE_PRESS) {
@ -294,6 +314,13 @@ bool button::hit(int x, int y) const
static bool not_image(const std::string& str) { return !str.empty() && str[0] != IMAGE_PREFIX; }
void button::set_image(const std::string& image_file)
{
button_image_name_ = image_file;
load_images();
set_dirty();
}
void button::set_label(const std::string& val)
{
label_ = val;

6
src/widgets/button.hpp
View file

@ -37,6 +37,7 @@ public:
std::string button_image="", SPACE_CONSUMPTION spacing=DEFAULT_SPACE,
const bool auto_join=true);
/** Default implementation, but defined out-of-line for efficiency reasons. */
virtual ~button();
void set_check(bool check);
@ -44,6 +45,7 @@ public:
bool checked() const;
void set_label(const std::string& val);
void set_image(const std::string& image_file_base);
bool pressed();
bool hit(int x, int y) const;
@ -61,6 +63,8 @@ protected:
private:
void load_images();
void calculate_size();
std::string label_;
@ -77,6 +81,8 @@ private:
int base_height_, base_width_;
std::string button_image_name_;
}; //end class button
}