Platform: Add MessageBox

2023-12-21 00:08:14 +01:00
parent baaea2a33f
commit 92e9a75ffa
6 changed files with 287 additions and 0 deletions
--- a/src/Nazara/Platform/MessageBox.cpp
+++ b/src/Nazara/Platform/MessageBox.cpp
@@ -0,0 +1,97 @@
+// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Platform module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Platform/MessageBox.hpp>
+#include <Nazara/Platform/SDL2/WindowImpl.hpp>
+#include <NazaraUtils/EnumArray.hpp>
+#include <NazaraUtils/StackArray.hpp>
+#include <SDL_messagebox.h>
+#include <Nazara/Platform/Debug.hpp>
+
+namespace Nz
+{
+	void MessageBox::AddButton(int id, MessageBoxStandardButton standardButton)
+	{
+		struct StandardButtonData
+		{
+			std::string_view text;
+			MessageBoxButtonRole role;
+		};
+
+		constexpr EnumArray<MessageBoxStandardButton, StandardButtonData> s_buttonTexts = {
+			StandardButtonData { "Abort",      MessageBoxButtonRole::Reject }, // Abort
+			StandardButtonData { "Apply",      MessageBoxButtonRole::Accept }, // Apply
+			StandardButtonData { "Cancel",     MessageBoxButtonRole::Reject }, // Cancel
+			StandardButtonData { "Close",      MessageBoxButtonRole::Reject }, // Close
+			StandardButtonData { "Discard",    MessageBoxButtonRole::Reject }, // Discard
+			StandardButtonData { "Ignore",     MessageBoxButtonRole::Reject }, // Ignore
+			StandardButtonData { "No",         MessageBoxButtonRole::Reject }, // No
+			StandardButtonData { "No to all",  MessageBoxButtonRole::Reject }, // NoToAll
+			StandardButtonData { "Ok",         MessageBoxButtonRole::Accept }, // Ok
+			StandardButtonData { "Reset",      MessageBoxButtonRole::Reject }, // Reset
+			StandardButtonData { "Retry",      MessageBoxButtonRole::Accept }, // Retry
+			StandardButtonData { "Save",       MessageBoxButtonRole::Accept }, // Save
+			StandardButtonData { "Save all",   MessageBoxButtonRole::Accept }, // SaveAll
+			StandardButtonData { "Yes",        MessageBoxButtonRole::Accept }, // Yes
+			StandardButtonData { "Yes to all", MessageBoxButtonRole::Accept }, // YesToAll
+		};
+
+		return AddButton(id, std::string(s_buttonTexts[standardButton].text), s_buttonTexts[standardButton].role);
+	}
+
+	Result<int, const char*> MessageBox::Show(Window* parent) const
+	{
+		constexpr EnumArray<MessageBoxType, Uint32> s_flags = {
+			SDL_MESSAGEBOX_INFORMATION, // Info
+			SDL_MESSAGEBOX_ERROR,       // Error
+			SDL_MESSAGEBOX_WARNING      // Warning
+		};
+
+		constexpr EnumArray<MessageBoxButtonRole, Uint32> s_buttonFlags = {
+			SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, // Accept
+			0, // None
+			SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT, // Reject
+		};
+
+		StackArray<SDL_MessageBoxButtonData> buttons = NazaraStackArrayNoInit(SDL_MessageBoxButtonData, m_buttons.size());
+
+		SDL_MessageBoxButtonData* buttonPtr = buttons.data();
+		for (const ButtonData& buttonData : m_buttons)
+		{
+			buttonPtr->buttonid = buttonData.buttonId;
+			buttonPtr->flags = s_buttonFlags[buttonData.role];
+			buttonPtr->text = buttonData.text.c_str();
+
+			buttonPtr++;
+		}
+
+		SDL_MessageBoxColorScheme colorScheme;
+		if (m_colorSchemeOverride)
+		{
+			Color::ToRGB8(m_colorSchemeOverride->backgroundColor, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BACKGROUND].r, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BACKGROUND].g, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BACKGROUND].b);
+			Color::ToRGB8(m_colorSchemeOverride->buttonBackgroundColor, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND].r, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND].g, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND].b);
+			Color::ToRGB8(m_colorSchemeOverride->buttonBorderColor, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].r, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].g, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].b);
+			Color::ToRGB8(m_colorSchemeOverride->buttonSelectedColor, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED].r, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED].g, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED].b);
+			Color::ToRGB8(m_colorSchemeOverride->textColor, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_TEXT].r, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_TEXT].g, &colorScheme.colors[SDL_MESSAGEBOX_COLOR_TEXT].b);
+		}
+
+		SDL_Window* window = (parent) ? static_cast<const WindowImpl*>(parent->GetImpl())->GetHandle() : nullptr;
+
+		SDL_MessageBoxData messageBoxData = {
+			.flags = s_flags[m_type],
+			.window = window,
+			.title = m_title.c_str(),
+			.message = m_message.c_str(),
+			.numbuttons = SafeCast<int>(m_buttons.size()),
+			.buttons = buttons.data(),
+			.colorScheme = (m_colorSchemeOverride) ? &colorScheme : nullptr
+		};
+
+		int buttonId;
+		if (SDL_ShowMessageBox(&messageBoxData, &buttonId) != 0)
+			return Err(SDL_GetError());
+
+		return Ok(buttonId);
+	}
+}