matthias/openglplayground
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Load GUI from XML

Browse Source
This commit is contained in:
Matthias Blankertz
2015-03-10 00:48:25 +01:00
parent 9d7dd452c7
commit 884fd8bb52
21 changed files with 1019 additions and 119 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
TextWidget.cc
View File

@@ -3,8 +3,8 @@
#include "font.hh"
#include "TextWidget.hh"
TextWidget::TextWidget(Font& font, std::string text, int width, int height)
: Widget(width, height), text_(std::move(text)), font_(font),
TextWidget::TextWidget(TTF_Font *font, std::string text, int width, int height, std::string name)
: Widget(width, height, std::move(name)), text_(std::move(text)), font_(font),
textSurf_(nullptr)
{
layout();
@@ -19,6 +19,7 @@ void TextWidget::setText(std::string text)
if (text != text_) {
text_ = std::move(text);
invalidateGL();
textSurf_.release();
layout();
}
}
@@ -28,49 +29,72 @@ void TextWidget::setForegroundColor(SDL_Color fg)
Widget::setForegroundColor(fg);
// Trigger text rerender
textSurf_.release();
layout();
}
void TextWidget::layout()
void TextWidget::layout(Widget *caller)
{
// Determine text size
int width, height;
if(TTF_SizeUTF8(font_.getFont(), text_.c_str(), &width, &height) != 0)
throw TTFException{};
std::tie(width, height) = Widget::baseLayout(caller);
if ((width > (width_ - padLeft_ - padRight_)) && (width_ != WRAP_CONTENT)) {
textSurf_.reset(TTF_RenderUTF8_Blended_Wrapped(font_.getFont(),
text_.c_str(),
fg_, width_- padLeft_ - padRight_));
if (!textSurf_)
// Determine text size
int textWidth, textHeight;
if ((height == 0) || (width == 0)) {
if(TTF_SizeUTF8(font_, text_.c_str(), &textWidth, &textHeight) != 0)
throw TTFException{};
if (height_ == WRAP_CONTENT)
// TODO: Get proper tight bounding box for multiline text
if (realHeight_ != (textSurf_->h - // TTF_FontLineSkip(font_.getFont())
+ padTop_ + padBottom_)) {
realHeight_ = textSurf_->h - // TTF_FontLineSkip(font_.getFont())
+ padTop_ + padBottom_;
invalidateGL();
}
} else {
textSurf_.reset(TTF_RenderUTF8_Blended(font_.getFont(), text_.c_str(), fg_));
if (!textSurf_)
throw TTFException{};
if (width_ == WRAP_CONTENT)
if (realWidth_ != (textSurf_->w + padLeft_ + padRight_)) {
realWidth_ = textSurf_->w + padLeft_ + padRight_;
invalidateGL();
}
if (height_ == WRAP_CONTENT)
if (realHeight_ != (textSurf_->h + padTop_ + padBottom_)) {
realHeight_ = textSurf_->h + padTop_ + padBottom_;
invalidateGL();
}
}
bool multiline = false;
if (height == 0) {
if (width != 0) {
textSurf_.reset(TTF_RenderUTF8_Blended_Wrapped(font_,
text_.c_str(),
fg_, width - padLeft_ - padRight_));
if (!textSurf_)
throw TTFException{};
multiline = true;
// TODO: Get proper tight bounding box for multiline text
height = textSurf_->h - // TTF_FontLineSkip(font_.getFont())
+ padTop_ + padBottom_;
} else {
width = textWidth + padLeft_ + padRight_;
height = textHeight + padTop_ + padBottom_;
}
}
if (width == 0) {
width = textWidth + padLeft_ + padRight_;
}
if ((width != realWidth_) || (height != realHeight_) || !textSurf_) {
if (!multiline) {
textSurf_.reset(TTF_RenderUTF8_Blended(font_, text_.c_str(), fg_));
if (!textSurf_)
throw TTFException{};
}
if ((width != realWidth_) || (height != realHeight_)) {
bool parentLayout = false;
if (parent_ && (caller != parent_) &&
(((width != realWidth_) && ((parent_->getWidth() == WRAP_CONTENT) ||
(parent_->getWidth() == WRAP_CONTENT_FILL))) ||
((height != realHeight_) && ((parent_->getHeight() == WRAP_CONTENT) ||
(parent_->getHeight() == WRAP_CONTENT_FILL)))))
parentLayout = true;
realWidth_ = width;
realHeight_ = height;
if (parentLayout)
_layout(*parent_);
printf("TextWidget %s now %d, %d\n", name_.c_str(), realWidth_, realHeight_);
}
invalidateGL();
}
}
void TextWidget::render(SDL_Surface *dst, SDL_Rect *dstRect) const