Method render

src/openboardview/GUI/Preferences/Program.cpp:28–265

}

void Program::render() {
	bool p_open = true;
	auto &io = ImGui::GetIO();
	ImGuiStyle &style = ImGui::GetStyle();

	ImGui::SetNextWindowPos(ImVec2(io.DisplaySize.x * 0.5f, io.DisplaySize.y * 0.5f), 0, ImVec2(0.5f, 0.5f));
	if (ImGui::BeginPopupModal("Program Preferences", &p_open, ImGuiWindowFlags_AlwaysAutoResize)) {
		shown = false;
		wasOpen = true;

		int t;

		t = config.windowX;
		RightAlignedText("Window width", DPI(250));
		ImGui::SameLine();
		if (ImGui::InputInt("##windowX", &t)) {
			if (t > 400) config.windowX = t;
		}

		t = config.windowY;
		RightAlignedText("Window height", DPI(250));
		ImGui::SameLine();
		if (ImGui::InputInt("##windowY", &t)) {
			if (t > 320) config.windowY = t;
		}

		std::vector<char> newFont(config.fontName.c_str(), config.fontName.c_str() + config.fontName.size() + 1); // Copy string data + '\0' char
		if (newFont.size() < 256)                                          // reserve space for new font name
			newFont.resize(256, '\0');                                     // Max font name length is 255 characters
		RightAlignedText("Font name", DPI(250));
		ImGui::SameLine();
		if (ImGui::InputText("##fontName", newFont.data(), newFont.size())) {
			config.fontName = newFont.data();
			boardView.reloadFonts = true;
		}

		t = config.fontSize;
		RightAlignedText("Font size", DPI(250));
		ImGui::SameLine();
		if (ImGui::InputInt("##fontSize", &t)) {
			if (t < 8) {
				t = 8;
			} else if (t > Fonts::MAX_FONT_SIZE) { // 50 is a value that hopefully should not break with too many fonts and 1024x1024 texture limits
				t = Fonts::MAX_FONT_SIZE;
			}
			config.fontSize = t;
		}

		t = config.dpi;
		RightAlignedText("Screen DPI", DPI(250));
		ImGui::SameLine();
		if (ImGui::InputInt("##dpi", &t)) {
			if ((t > 25) && (t < 600)) {
				config.dpi = t;
				setDPI(t);
			}
		}