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Add resizing code for icon button widget

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This commit is contained in:
CodingJellyfish 2024-04-19 20:21:54 +08:00
parent 52edb8507e
commit 0cea06d935
2 changed files with 145 additions and 113 deletions
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252
src/guiengine/widgets/icon_button_widget.cpp
View File

@ -116,69 +116,8 @@ void IconButtonWidget::add()
}
// irrlicht widgets don't support scaling while keeping aspect ratio
// so, happily, let's implement it ourselves
float useAspectRatio = -1.0f;
if (m_properties[PROP_CUSTOM_RATIO] != "")
{
StringUtils::fromString(m_properties[PROP_CUSTOM_RATIO],
m_custom_aspect_ratio);
m_scale_mode = SCALE_MODE_KEEP_CUSTOM_ASPECT_RATIO;
}
if (m_scale_mode == SCALE_MODE_KEEP_TEXTURE_ASPECT_RATIO ||
m_scale_mode == SCALE_MODE_LIST_WIDGET)
{
assert(m_texture->getOriginalSize().Height > 0);
useAspectRatio = (float)m_texture->getOriginalSize().Width /
(float)m_texture->getOriginalSize().Height;
}
else if (m_scale_mode == SCALE_MODE_KEEP_CUSTOM_ASPECT_RATIO)
{
useAspectRatio = m_custom_aspect_ratio;
}
int suggested_h = m_h;
int suggested_w = (int)((useAspectRatio < 0 ? m_w : useAspectRatio * suggested_h));
if (suggested_w > m_w)
{
const float needed_scale_factor = (float)m_w / (float)suggested_w;
suggested_w = (int)(suggested_w*needed_scale_factor);
suggested_h = (int)(suggested_h*needed_scale_factor);
}
bool left_horizontal = m_properties[PROP_ICON_ALIGN] == "left";
bool right_horizontal = m_properties[PROP_ICON_ALIGN] == "right";
// Assume left align if align property is not specified, but x property is specified
if (m_properties[PROP_X].size() > 0 && m_properties[PROP_ICON_ALIGN].empty())
{
left_horizontal = true;
}
const int x_from = right_horizontal ? m_x + (m_w - suggested_w) :
left_horizontal ? m_x :
m_x + (m_w - suggested_w)/2;
const int y_from = m_y + (m_h - suggested_h)/2; // center vertically
rect<s32> widget_size = rect<s32>(x_from,
y_from,
x_from + suggested_w,
y_from + suggested_h);
if (m_scale_mode == SCALE_MODE_LIST_WIDGET)
{
m_list_header_icon_rect = widget_size;
m_list_header_icon_rect.UpperLeftCorner.X = m_list_header_icon_rect.UpperLeftCorner.X + 4;
m_list_header_icon_rect.UpperLeftCorner.Y = m_list_header_icon_rect.UpperLeftCorner.Y + 4;
m_list_header_icon_rect.LowerRightCorner.X = m_list_header_icon_rect.LowerRightCorner.X - 4;
m_list_header_icon_rect.LowerRightCorner.Y = m_list_header_icon_rect.LowerRightCorner.Y - 4;
widget_size = rect<s32>(m_x, m_y, m_x + m_w, m_y + m_h);
}
IGUIButton* btn = GUIEngine::getGUIEnv()->addButton(widget_size,
updateIconRect();
IGUIButton* btn = GUIEngine::getGUIEnv()->addButton(m_icon_rect,
m_parent,
(m_tab_stop ? getNewID() : getNewNoFocusID()),
L"");
@ -194,55 +133,10 @@ void IconButtonWidget::add()
const stringw& message = getText();
if (message.size() > 0)
{
const int label_extra_size =
( m_properties[PROP_EXTEND_LABEL].size() == 0 ?
0 : atoi(m_properties[PROP_EXTEND_LABEL].c_str()) );
const bool word_wrap = (m_properties[PROP_WORD_WRAP] == "true");
if (m_properties[PROP_LABELS_LOCATION] == "hover")
{
core::dimension2du text_size = GUIEngine::getFont()->getDimension(message.c_str());
core::recti pos = btn->getAbsolutePosition();
int center_x = pos.UpperLeftCorner.X + pos.getWidth() / 2;
int x1 = center_x - text_size.Width / 2 - label_extra_size / 2;
int y1 = pos.UpperLeftCorner.Y - (word_wrap ? GUIEngine::getFontHeight() * 2 :
GUIEngine::getFontHeight()) - 15;
int x2 = center_x + text_size.Width / 2 + label_extra_size / 2;
int y2 = pos.UpperLeftCorner.Y - 15;
if (x1 < 0)
{
int diff = -x1;
x1 += diff;
x2 += diff;
}
else if (x2 > (int)irr_driver->getActualScreenSize().Width)
{
int diff = x2 - irr_driver->getActualScreenSize().Width;
x2 -= diff;
x1 -= diff;
}
core::recti parent_pos = m_parent->getAbsolutePosition();
x1 -= parent_pos.UpperLeftCorner.X;
x2 -= parent_pos.UpperLeftCorner.X;
y1 -= parent_pos.UpperLeftCorner.Y;
y2 -= parent_pos.UpperLeftCorner.Y;
widget_size = rect<s32>(x1, y1, x2, y2);
}
else
{
// leave enough room for two lines of text if word wrap is enabled, otherwise a single line
widget_size = rect<s32>(m_x - label_extra_size/2,
m_y + m_h,
m_x + m_w + label_extra_size/2,
m_y + m_h + (word_wrap ? GUIEngine::getFontHeight()*2 :
GUIEngine::getFontHeight()));
}
m_label = GUIEngine::getGUIEnv()->addStaticText(message.c_str(), widget_size,
false, word_wrap, m_parent);
updateLabelRect();
m_label = GUIEngine::getGUIEnv()->addStaticText(message.c_str(), m_label_rect,
false, m_properties[PROP_WORD_WRAP] == "true",
m_parent);
m_label->setTextAlignment(EGUIA_CENTER, EGUIA_UPPERLEFT);
m_label->setTabStop(false);
m_label->setNotClipped(true);
@ -460,3 +354,137 @@ void IconButtonWidget::setVisible(bool visible)
m_label->setVisible(visible);
}
// -----------------------------------------------------------------------------
void IconButtonWidget::updateIconRect()
{
// irrlicht widgets don't support scaling while keeping aspect ratio
// so, happily, let's implement it ourselves
float useAspectRatio = -1.0f;
if (m_properties[PROP_CUSTOM_RATIO] != "")
{
StringUtils::fromString(m_properties[PROP_CUSTOM_RATIO],
m_custom_aspect_ratio);
m_scale_mode = SCALE_MODE_KEEP_CUSTOM_ASPECT_RATIO;
}
if (m_scale_mode == SCALE_MODE_KEEP_TEXTURE_ASPECT_RATIO ||
m_scale_mode == SCALE_MODE_LIST_WIDGET)
{
assert(m_texture->getOriginalSize().Height > 0);
useAspectRatio = (float)m_texture->getOriginalSize().Width /
(float)m_texture->getOriginalSize().Height;
}
else if (m_scale_mode == SCALE_MODE_KEEP_CUSTOM_ASPECT_RATIO)
{
useAspectRatio = m_custom_aspect_ratio;
}
int suggested_h = m_h;
int suggested_w = (int)((useAspectRatio < 0 ? m_w : useAspectRatio * suggested_h));
if (suggested_w > m_w)
{
const float needed_scale_factor = (float)m_w / (float)suggested_w;
suggested_w = (int)(suggested_w*needed_scale_factor);
suggested_h = (int)(suggested_h*needed_scale_factor);
}
bool left_horizontal = m_properties[PROP_ICON_ALIGN] == "left";
bool right_horizontal = m_properties[PROP_ICON_ALIGN] == "right";
// Assume left align if align property is not specified, but x property is specified
if (m_properties[PROP_X].size() > 0 && m_properties[PROP_ICON_ALIGN].empty())
{
left_horizontal = true;
}
const int x_from = right_horizontal ? m_x + (m_w - suggested_w) :
left_horizontal ? m_x :
m_x + (m_w - suggested_w)/2;
const int y_from = m_y + (m_h - suggested_h)/2; // center vertically
m_icon_rect = rect<s32>(x_from,
y_from,
x_from + suggested_w,
y_from + suggested_h);
if (m_scale_mode == SCALE_MODE_LIST_WIDGET)
{
m_list_header_icon_rect = m_icon_rect;
m_list_header_icon_rect.UpperLeftCorner.X = m_list_header_icon_rect.UpperLeftCorner.X + 4;
m_list_header_icon_rect.UpperLeftCorner.Y = m_list_header_icon_rect.UpperLeftCorner.Y + 4;
m_list_header_icon_rect.LowerRightCorner.X = m_list_header_icon_rect.LowerRightCorner.X - 4;
m_list_header_icon_rect.LowerRightCorner.Y = m_list_header_icon_rect.LowerRightCorner.Y - 4;
m_icon_rect = rect<s32>(m_x, m_y, m_x + m_w, m_y + m_h);
}
}
// -----------------------------------------------------------------------------
void IconButtonWidget::updateLabelRect()
{
if (!m_element)
return;
const stringw& message = getText();
const int label_extra_size =
( m_properties[PROP_EXTEND_LABEL].size() == 0 ?
0 : atoi(m_properties[PROP_EXTEND_LABEL].c_str()) );
const bool word_wrap = (m_properties[PROP_WORD_WRAP] == "true");
if (m_properties[PROP_LABELS_LOCATION] == "hover")
{
core::dimension2du text_size = GUIEngine::getFont()->getDimension(message.c_str());
core::recti pos = m_element->getAbsolutePosition();
int center_x = pos.UpperLeftCorner.X + pos.getWidth() / 2;
int x1 = center_x - text_size.Width / 2 - label_extra_size / 2;
int y1 = pos.UpperLeftCorner.Y - (word_wrap ? GUIEngine::getFontHeight() * 2 :
GUIEngine::getFontHeight()) - 15;
int x2 = center_x + text_size.Width / 2 + label_extra_size / 2;
int y2 = pos.UpperLeftCorner.Y - 15;
if (x1 < 0)
{
int diff = -x1;
x1 += diff;
x2 += diff;
}
else if (x2 > (int)irr_driver->getActualScreenSize().Width)
{
int diff = x2 - irr_driver->getActualScreenSize().Width;
x2 -= diff;
x1 -= diff;
}
core::recti parent_pos = m_parent->getAbsolutePosition();
x1 -= parent_pos.UpperLeftCorner.X;
x2 -= parent_pos.UpperLeftCorner.X;
y1 -= parent_pos.UpperLeftCorner.Y;
y2 -= parent_pos.UpperLeftCorner.Y;
m_label_rect = rect<s32>(x1, y1, x2, y2);
}
else
{
// leave enough room for two lines of text if word wrap is enabled, otherwise a single line
m_label_rect = rect<s32>(m_x - label_extra_size/2,
m_y + m_h,
m_x + m_w + label_extra_size/2,
m_y + m_h + (word_wrap ? GUIEngine::getFontHeight()*2 :
GUIEngine::getFontHeight()));
}
}
// -----------------------------------------------------------------------------
void IconButtonWidget::resize()
{
updateIconRect();
if (m_element)
m_element->setRelativePosition(m_icon_rect);
if (m_label)
{
updateLabelRect();
m_label->setRelativePosition(m_label_rect);
setLabelFont();
}
}

6
src/guiengine/widgets/icon_button_widget.hpp
View File

@ -43,7 +43,7 @@ namespace GUIEngine
class IconButtonWidget : public Widget
{
private:
irr::core::rect<s32> m_list_header_icon_rect;
irr::core::rect<s32> m_list_header_icon_rect, m_icon_rect, m_label_rect;
irr::video::ITexture* m_texture;
irr::video::ITexture* m_deactivated_texture;
irr::video::ITexture* m_highlight_texture;
@ -51,6 +51,8 @@ namespace GUIEngine
video::ITexture* getDeactivatedTexture(video::ITexture* texture);
void setLabelFont();
void updateIconRect();
void updateLabelRect();
public:
enum ScaleMode
@ -173,6 +175,8 @@ namespace GUIEngine
m_label = NULL;
}
// --------------------------------------------------------------------
virtual void resize() OVERRIDE;
// --------------------------------------------------------------------
const irr::core::rect<s32>& getListHeaderIconRect() const
{
return m_list_header_icon_rect;