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Support layer and interaction transparancy. Refs #1

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This commit is contained in:
Bert Peters
2018-04-05 16:08:58 +02:00
parent 21fdc45e65
commit 3e4452ca3a
12 changed files with 114 additions and 12 deletions
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24
src/tools/launcher.cpp
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@@ -31,7 +31,6 @@ auto file_filter_for_extension(std::string_view extension)
return filter;
}
char * color_string(Gtk::ColorButton &button)
{
char* buffer = new char[2 * 4 + 2]; // 2 per channel, plus #, plus null byte
@@ -62,6 +61,15 @@ char* wrap_string(std::string_view str) {
return wrapper;
}
void float_parameter(std::vector<char *> &argv, std::string_view flag, double value)
{
char buffer[100];
argv.push_back(wrap_string(flag));
std::sprintf(buffer, "%f", value);
argv.push_back(wrap_string(buffer));
}
class Launcher : public Gtk::Window {
public:
Launcher();
@@ -78,6 +86,8 @@ private:
Gtk::FileChooserButton meansChooser;
Gtk::FileChooserButton inputChooser;
Gtk::ColorButton pathColor;
Gtk::Scale layerTransparancy;
Gtk::Scale interactionTransparancy;
Gtk::Button startButton;
void start();
@@ -99,6 +109,8 @@ Launcher::Launcher()
meansChooser("Select means file"),
inputChooser("Select input directory", Gtk::FileChooserAction::FILE_CHOOSER_ACTION_SELECT_FOLDER),
pathColor(Gdk::RGBA("rgba(255, 255, 255, 0.1)")),
layerTransparancy(Gtk::Adjustment::create(1, 0, 1, 0.0, 1.f / 256)),
interactionTransparancy(Gtk::Adjustment::create(1, 0, 1, 0.0, 1.f / 256)),
startButton("Start FMRI")
{
set_default_size(400, -1);
@@ -126,6 +138,8 @@ Launcher::Launcher()
addRowWithLabel("Input directory", inputChooser);
addRowWithLabel("Means (optional)", meansChooser);
addRowWithLabel("Path color", pathColor);
addRowWithLabel("Layer transparancy", layerTransparancy);
addRowWithLabel("Interaction transparancy", interactionTransparancy);
startButton.signal_clicked().connect(sigc::mem_fun(*this, &Launcher::start));
grid.attach_next_to(startButton, Gtk::PositionType::POS_BOTTOM, 2, 1);
@@ -162,6 +176,9 @@ void Launcher::start()
color_string(pathColor),
};
float_parameter(argv, "--layer-opacity", layerTransparancy.get_adjustment()->get_value());
float_parameter(argv, "--interaction-opacity", interactionTransparancy.get_adjustment()->get_value());
if (labelChooser.get_file()) {
argv.push_back(wrap_string("-l"));
argv.push_back(wrap_string(labelChooser.get_file()->get_path()));
@@ -178,6 +195,11 @@ void Launcher::start()
argv.push_back(nullptr);
execv(executable.c_str(), argv.data());
// Discard all allocated memory.
std::for_each(argv.begin(), argv.end(), std::default_delete<char>());
Gtk::MessageDialog dialog(*this, "Failed to start for unknown reasons.");
dialog.run();
}
bool Launcher::hasFile(const Gtk::FileChooserButton& fileChooser, const std::string& error)