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/* MessageLogPanel.cpp
Copyright (c) 2023 by TomGoodIdea
Endless Sky is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later version.
Endless Sky is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "MessageLogPanel.h"
#include "text/Alignment.h"
#include "audio/Audio.h"
#include "Color.h"
#include "Command.h"
#include "shader/FillShader.h"
#include "text/Font.h"
#include "text/FontSet.h"
#include "GameData.h"
#include "Information.h"
#include "Interface.h"
#include "Preferences.h"
#include "Screen.h"
#include "image/Sprite.h"
#include "image/SpriteSet.h"
#include "shader/SpriteShader.h"
#include "UI.h"
#include "text/WrappedText.h"
using namespace std;
namespace {
const double PAD = 10.;
const double LINE_HEIGHT = 25.;
}
MessageLogPanel::MessageLogPanel()
: messages(Messages::GetLog()), width(GameData::Interfaces().Get("message log")->GetValue("width"))
{
Audio::Pause();
SetInterruptible(false);
}
MessageLogPanel::~MessageLogPanel()
{
Audio::Resume();
}
void MessageLogPanel::Draw()
{
// Dim out everything outside this panel.
DrawBackdrop();
// Draw the panel.
const Color &backColor = *GameData::Colors().Get("message log background");
FillShader::Fill(
Point(Screen::Left() + .5 * width, 0.),
Point(width, Screen::Height()),
backColor);
Panel::DrawEdgeSprite(SpriteSet::Get("ui/right edge"), Screen::Left() + width);
Information info;
if(messages.empty())
info.SetCondition("empty");
else
{
const Font &font = FontSet::Get(14);
// Parameters for drawing messages:
WrappedText messageLine(font);
messageLine.SetAlignment(Alignment::LEFT);
messageLine.SetWrapWidth(width - 2. * PAD);
// Draw messages.
Point pos = Screen::BottomLeft() + Point(PAD, scroll);
for(const auto &it : messages)
{
if(importantOnly && (it.second == Messages::Importance::Low || it.second == Messages::Importance::High))
continue;
messageLine.Wrap(it.first);
pos.Y() -= messageLine.Height();
if(pos.Y() >= Screen::Top() - 3 * font.Height())
messageLine.Draw(pos, *Messages::GetColor(it.second, true));
}
maxScroll = max(0., scroll - pos.Y() + Screen::Top());
}
if(importantOnly)
info.SetCondition("important messages only");
GameData::Interfaces().Get("message log")->Draw(info, this);
}
bool MessageLogPanel::KeyDown(SDL_Keycode key, Uint16 mod, const Command &command, bool isNewPress)
{
if(command.Has(Command::MESSAGE_LOG) || key == 'd' || key == SDLK_ESCAPE
|| (key == 'w' && (mod & (KMOD_CTRL | KMOD_GUI))))
GetUI()->Pop(this);
else if(key == SDLK_PAGEUP || key == SDLK_PAGEDOWN)
{
double direction = (key == SDLK_PAGEUP) - (key == SDLK_PAGEDOWN);
Drag(0., (Screen::Height() - 100.) * direction);
}
else if(key == SDLK_HOME || key == SDLK_END)
{
double direction = (key == SDLK_HOME) - (key == SDLK_END);
Drag(0., maxScroll * direction);
}
else if(key == SDLK_UP || key == SDLK_DOWN)
{
double direction = (key == SDLK_UP) - (key == SDLK_DOWN);
Drag(0., LINE_HEIGHT * direction);
}
else if(key == 'i')
importantOnly = !importantOnly;
return true;
}
bool MessageLogPanel::Drag(double dx, double dy)
{
scroll = max(0., min(maxScroll, scroll + dy));
return true;
}
bool MessageLogPanel::Scroll(double dx, double dy)
{
return Drag(0., dy * Preferences::ScrollSpeed());
}
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