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End Credits: implements automatic (and slllooowww) scrolling

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Scrollbars need refactoring in order to get this to work smoothly and at a better speed.
This commit is contained in:
Charles Dang 2016-09-11 21:38:10 +11:00
parent d0cae514ff
commit b789d8db1f
2 changed files with 32 additions and 4 deletions
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26
src/gui/dialogs/end_credits.cpp
View file

@ -17,7 +17,9 @@
#include "game_config.hpp"
#include "gui/auxiliary/find_widget.hpp"
#include "gui/core/timer.hpp"
#include "gui/widgets/settings.hpp"
#include "gui/widgets/scrollbar.hpp"
#include "gui/widgets/scroll_label.hpp"
#include "gui/widgets/window.hpp"
#include "formatter.hpp"
@ -31,14 +33,26 @@ REGISTER_DIALOG(end_credits)
tend_credits::tend_credits(const std::vector<std::string>& text, const std::vector<std::string>& backgrounds)
: text_(text)
, backgrounds_(backgrounds)
, timer_id_()
, text_widget_(nullptr)
{
if(backgrounds_.empty()) {
backgrounds_.push_back(game_config::images::game_title_background);
}
}
tend_credits::~tend_credits()
{
if(timer_id_ != 0) {
remove_timer(timer_id_);
timer_id_ = 0;
}
}
void tend_credits::pre_show(twindow& window)
{
timer_id_ = add_timer(50, std::bind(&tend_credits::timer_callback, this, std::ref(window)), true);
// TODO: apparently, multiple images are supported... need to implement along with scrolling
window.canvas()[0].set_variable("background_image", variant(backgrounds_[0]));
@ -53,11 +67,15 @@ void tend_credits::pre_show(twindow& window)
}
}
tscroll_label& text = find_widget<tscroll_label>(&window, "text", false);
text_widget_ = find_widget<tscroll_label>(&window, "text", false, true);
text.set_text_alignment(PangoAlignment::PANGO_ALIGN_CENTER);
text.set_use_markup(true);
text.set_label(str.str());
text_widget_->set_use_markup(true);
text_widget_->set_label(str.str());
}
void tend_credits::timer_callback(twindow&)
{
text_widget_->scroll_vertical_scrollbar(tscrollbar_::ITEM_FORWARD);
}
}

10
src/gui/dialogs/end_credits.hpp
View file

@ -25,11 +25,15 @@ class display;
namespace gui2
{
class tscroll_label;
class tend_credits : public tdialog
{
public:
tend_credits(const std::vector<std::string>& text, const std::vector<std::string>& backgrounds);
~tend_credits();
static void display(const std::vector<std::string>& text, const std::vector<std::string>& backgrounds, CVideo& video)
{
tend_credits(text, backgrounds).show(video);
@ -42,9 +46,15 @@ private:
/** Inherited from tdialog. */
void pre_show(twindow& window);
void timer_callback(twindow&);
const std::vector<std::string>& text_;
std::vector<std::string> backgrounds_;
size_t timer_id_;
tscroll_label* text_widget_;
};
} // namespace gui2