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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/gui/widgets/slider.cpp
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/gui/widgets/slider.cpp')
-rw-r--r--src/gui/widgets/slider.cpp298
1 files changed, 298 insertions, 0 deletions
diff --git a/src/gui/widgets/slider.cpp b/src/gui/widgets/slider.cpp
new file mode 100644
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+++ b/src/gui/widgets/slider.cpp
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+/*
+ * The Mana Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ *
+ * This file is part of The Mana Client.
+ *
+ * This program 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 2 of the License, or
+ * any later version.
+ *
+ * This program 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include "gui/widgets/slider.h"
+
+#include "client.h"
+#include "configuration.h"
+#include "graphics.h"
+
+#include "gui/theme.h"
+
+#include "resources/image.h"
+
+Image *Slider::hStart, *Slider::hMid, *Slider::hEnd, *Slider::hGrip;
+Image *Slider::vStart, *Slider::vMid, *Slider::vEnd, *Slider::vGrip;
+Image *Slider::hStartHi, *Slider::hMidHi, *Slider::hEndHi, *Slider::hGripHi;
+Image *Slider::vStartHi, *Slider::vMidHi, *Slider::vEndHi, *Slider::vGripHi;
+float Slider::mAlpha = 1.0;
+int Slider::mInstances = 0;
+
+Slider::Slider(double scaleEnd):
+ gcn::Slider(scaleEnd),
+ mHasMouse(false)
+{
+ init();
+}
+
+Slider::Slider(double scaleStart, double scaleEnd):
+ gcn::Slider(scaleStart, scaleEnd),
+ mHasMouse(false)
+{
+ init();
+}
+
+Slider::~Slider()
+{
+ mInstances--;
+
+ if (mInstances == 0)
+ {
+ delete hStart;
+ delete hMid;
+ delete hEnd;
+ delete hGrip;
+ delete vStart;
+ delete vMid;
+ delete vEnd;
+ delete vGrip;
+ delete hStartHi;
+ delete hMidHi;
+ delete hEndHi;
+ delete hGripHi;
+ delete vStartHi;
+ delete vMidHi;
+ delete vEndHi;
+ delete vGripHi;
+ }
+}
+
+void Slider::init()
+{
+ setFrameSize(0);
+
+ // Load resources
+ if (mInstances == 0)
+ {
+ int x, y, w, h, o1, o2;
+
+ Image *slider = Theme::getImageFromTheme("slider.png");
+ Image *sliderHi = Theme::getImageFromTheme("slider_hilight.png");
+
+ x = 0; y = 0;
+ w = 15; h = 6;
+ o1 = 4; o2 = 11;
+ if (slider)
+ {
+ hStart = slider->getSubImage(x, y, o1 - x, h);
+ hMid = slider->getSubImage(o1, y, o2 - o1, h);
+ hEnd = slider->getSubImage(o2, y, w - o2 + x, h);
+ }
+ else
+ {
+ hStart = 0;
+ hMid = 0;
+ hEnd = 0;
+ }
+ if (sliderHi)
+ {
+ hStartHi = sliderHi->getSubImage(x, y, o1 - x, h);
+ hMidHi = sliderHi->getSubImage(o1, y, o2 - o1, h);
+ hEndHi = sliderHi->getSubImage(o2, y, w - o2 + x, h);
+ }
+ else
+ {
+ hStartHi = 0;
+ hMidHi = 0;
+ hEndHi = 0;
+ }
+
+ x = 6; y = 8;
+ w = 9; h = 10;
+ if (slider)
+ hGrip = slider->getSubImage(x, y, w, h);
+ else
+ hGrip = 0;
+ if (sliderHi)
+ hGripHi = sliderHi->getSubImage(x, y, w, h);
+ else
+ hGripHi = 0;
+
+ x = 0; y = 6;
+ w = 6; h = 21;
+ o1 = 10; o2 = 18;
+ if (slider)
+ {
+ vStart = slider->getSubImage(x, y, w, o1 - y);
+ vMid = slider->getSubImage(x, o1, w, o2 - o1);
+ vEnd = slider->getSubImage(x, o2, w, h - o2 + y);
+ }
+ else
+ {
+ vStart = 0;
+ vMid = 0;
+ vEnd = 0;
+ }
+ if (sliderHi)
+ {
+ vStartHi = sliderHi->getSubImage(x, y, w, o1 - y);
+ vMidHi = sliderHi->getSubImage(x, o1, w, o2 - o1);
+ vEndHi = sliderHi->getSubImage(x, o2, w, h - o2 + y);
+ }
+ else
+ {
+ vStartHi = 0;
+ vMidHi = 0;
+ vEndHi = 0;
+ }
+
+ x = 6; y = 8;
+ w = 9; h = 10;
+ if (slider)
+ vGrip = slider->getSubImage(x, y, w, h);
+ else
+ vGrip = 0;
+
+ if (sliderHi)
+ vGripHi = sliderHi->getSubImage(x, y, w, h);
+ else
+ vGripHi = 0;
+
+ if (slider)
+ slider->decRef();
+ if (sliderHi)
+ sliderHi->decRef();
+ }
+
+ mInstances++;
+
+ if (hGrip)
+ setMarkerLength(hGrip->getWidth());
+}
+
+void Slider::updateAlpha()
+{
+ float alpha = std::max(Client::getGuiAlpha(),
+ Theme::instance()->getMinimumOpacity());
+
+ if (alpha != mAlpha)
+ {
+ mAlpha = alpha;
+ if (hStart)
+ hStart->setAlpha(mAlpha);
+ if (hMid)
+ hMid->setAlpha(mAlpha);
+ if (hEnd)
+ hEnd->setAlpha(mAlpha);
+ if (hGrip)
+ hGrip->setAlpha(mAlpha);
+ if (hStartHi)
+ hStartHi->setAlpha(mAlpha);
+ if (hMidHi)
+ hMidHi->setAlpha(mAlpha);
+ if (hEndHi)
+ hEndHi->setAlpha(mAlpha);
+ if (hGripHi)
+ hGripHi->setAlpha(mAlpha);
+
+ if (vStart)
+ vStart->setAlpha(mAlpha);
+ if (vMid)
+ vMid->setAlpha(mAlpha);
+ if (vEnd)
+ vEnd->setAlpha(mAlpha);
+ if (vGrip)
+ vGrip->setAlpha(mAlpha);
+ if (vStartHi)
+ vStartHi->setAlpha(mAlpha);
+ if (vMidHi)
+ vMidHi->setAlpha(mAlpha);
+ if (vEndHi)
+ vEndHi->setAlpha(mAlpha);
+ if (vGripHi)
+ vGripHi->setAlpha(mAlpha);
+ }
+
+}
+
+void Slider::draw(gcn::Graphics *graphics)
+{
+ if (!hStart || !hStartHi)
+ return;
+
+ int w = getWidth();
+ int h = getHeight();
+ int x = 0;
+ int y = mHasMouse ? (h - hStartHi->getHeight()) / 2 :
+ (h - hStart->getHeight()) / 2;
+
+ updateAlpha();
+
+ if (!mHasMouse)
+ {
+ static_cast<Graphics*>(graphics)->drawImage(hStart, x, y);
+
+ w -= hStart->getWidth() + hEnd->getWidth();
+ x += hStart->getWidth();
+
+ if (hMid)
+ {
+ static_cast<Graphics*>(graphics)->
+ drawImagePattern(hMid, x, y, w, hMid->getHeight());
+ }
+
+ x += w;
+ if (hEnd)
+ static_cast<Graphics*>(graphics)->drawImage(hEnd, x, y);
+ }
+ else
+ {
+ static_cast<Graphics*>(graphics)->drawImage(hStartHi, x, y);
+
+ w -= hStartHi->getWidth();
+ if (hEndHi)
+ w -= hEndHi->getWidth();
+ x += hStartHi->getWidth();
+
+ if (hMidHi)
+ {
+ static_cast<Graphics*>(graphics)->
+ drawImagePattern(hMidHi, x, y, w, hMidHi->getHeight());
+ }
+
+ x += w;
+ if (hEndHi)
+ static_cast<Graphics*>(graphics)->drawImage(hEndHi, x, y);
+ }
+
+ drawMarker(graphics);
+}
+
+void Slider::drawMarker(gcn::Graphics *graphics)
+{
+ if (!(mHasMouse?hGripHi:hGrip))
+ return;
+
+ static_cast<Graphics*>(graphics)->
+ drawImage(mHasMouse?hGripHi:hGrip, getMarkerPosition(),
+ (getHeight() - (mHasMouse?hGripHi:hGrip)->getHeight()) / 2);
+}
+
+void Slider::mouseEntered(gcn::MouseEvent& event _UNUSED_)
+{
+ mHasMouse = true;
+}
+
+void Slider::mouseExited(gcn::MouseEvent& event _UNUSED_)
+{
+ mHasMouse = false;
+}
+