From 18d7c98688af517e79ff2827d1c3834db372f255 Mon Sep 17 00:00:00 2001 From: Vojtech Bocek Date: Mon, 4 Aug 2014 17:19:28 +0200 Subject: Add possibility to use images as background or handle of slidevalue * Add tag to the slidervalue object. * All images are optional, e.g. you can use just handle or just background image or no images whatsoever Change-Id: Ie0fee92965c6e883c4e532732756008dcc9e385e Signed-off-by: Vojtech Bocek --- gui/objects.hpp | 6 +++- gui/slidervalue.cpp | 82 ++++++++++++++++++++++++++++++++++++++++------------- 2 files changed, 67 insertions(+), 21 deletions(-) diff --git a/gui/objects.hpp b/gui/objects.hpp index 486e2e704..cf20d7e9c 100644 --- a/gui/objects.hpp +++ b/gui/objects.hpp @@ -999,7 +999,11 @@ protected: int mFontHeight; GUIAction *mAction; bool mChangeOnDrag; - int lineW; + int mLineW; + bool mDragging; + Resource *mBackgroundImage; + Resource *mHandleImage; + Resource *mHandleHoverImage; }; class MouseCursor : public RenderObject diff --git a/gui/slidervalue.cpp b/gui/slidervalue.cpp index c3ef69eac..5b4d57f1c 100644 --- a/gui/slidervalue.cpp +++ b/gui/slidervalue.cpp @@ -45,6 +45,10 @@ GUISliderValue::GUISliderValue(xml_node<>* node) : GUIObject(node) mShowRange = false; mChangeOnDrag = false; mRendered = false; + mBackgroundImage = NULL; + mHandleImage = NULL; + mHandleHoverImage = NULL; + mDragging = false; mLabel = NULL; ConvertStrToColor("white", &mTextColor); @@ -96,6 +100,22 @@ GUISliderValue::GUISliderValue(xml_node<>* node) : GUIObject(node) ConvertStrToColor(attr->value(), &mSliderColor); } + child = node->first_node("resource"); + if (child) + { + attr = child->first_attribute("background"); + if(attr) + mBackgroundImage = PageManager::FindResource(attr->value()); + + attr = child->first_attribute("handle"); + if(attr) + mHandleImage = PageManager::FindResource(attr->value()); + + attr = child->first_attribute("handlehover"); + if(attr) + mHandleHoverImage = PageManager::FindResource(attr->value()); + } + child = node->first_node("data"); if (child) { @@ -249,15 +269,22 @@ int GUISliderValue::SetRenderPos(int x, int y, int w, int h) } mSliderY = y; - mLineY = (y + mSliderH/2) - (mLineH/2); - - mLineX = mRenderX + mLinePadding; mActionX = mRenderX; mActionY = mRenderY; mActionW = mRenderW; mActionH = mRenderH; - lineW = mRenderW - (mLinePadding * 2); + + if(mBackgroundImage && mBackgroundImage->GetResource()) + { + mLineW = gr_get_width(mBackgroundImage->GetResource()); + mLineH = gr_get_height(mBackgroundImage->GetResource()); + } + else + mLineW = mRenderW - (mLinePadding * 2); + + mLineY = y + (mSliderH/2 - mLineH/2); + mLineX = mRenderX + (mRenderW/2 - mLineW/2); return 0; } @@ -293,15 +320,31 @@ int GUISliderValue::Render(void) } // line - gr_color(mLineColor.red, mLineColor.green, mLineColor.blue, mLineColor.alpha); - gr_fill(mLineX, mLineY, lineW, mLineH); + if(mBackgroundImage && mBackgroundImage->GetResource()) + { + gr_blit(mBackgroundImage->GetResource(), 0, 0, mLineW, mLineH, mLineX, mLineY); + } + else + { + gr_color(mLineColor.red, mLineColor.green, mLineColor.blue, mLineColor.alpha); + gr_fill(mLineX, mLineY, mLineW, mLineH); + } // slider - uint32_t sliderX = (mValuePct*lineW)/100 + mLineX; - sliderX -= mSliderW/2; + uint32_t sliderX = mLineX + (mValuePct*(mLineW - mSliderW))/100; - gr_color(mSliderColor.red, mSliderColor.green, mSliderColor.blue, mSliderColor.alpha); - gr_fill(sliderX, mSliderY, mSliderW, mSliderH); + if(mHandleImage && mHandleImage->GetResource()) + { + gr_surface s = mHandleImage->GetResource(); + if(mDragging && mHandleHoverImage && mHandleHoverImage->GetResource()) + s = mHandleHoverImage->GetResource(); + gr_blit(s, 0, 0, mSliderW, mSliderH, sliderX, mLineY + (mLineH/2 - mSliderH/2)); + } + else + { + gr_color(mSliderColor.red, mSliderColor.green, mSliderColor.blue, mSliderColor.alpha); + gr_fill(sliderX, mSliderY, mSliderW, mSliderH); + } void *fontResource = NULL; if(mFont) fontResource = mFont->GetResource(); @@ -310,7 +353,7 @@ int GUISliderValue::Render(void) { int rangeY = (mLineY - mLineH/2) - mFontHeight/2; gr_textEx(mRenderX + mPadding/2, rangeY, mMinStr.c_str(), fontResource); - gr_textEx(mLineX + lineW + mPadding/2, rangeY, mMaxStr.c_str(), fontResource); + gr_textEx(mLineX + mLineW + mPadding/2, rangeY, mMaxStr.c_str(), fontResource); } if(mValueStr && mShowCurr) @@ -352,24 +395,23 @@ int GUISliderValue::NotifyTouch(TOUCH_STATE state, int x, int y) if (!isConditionTrue()) return -1; - static bool dragging = false; switch (state) { case TOUCH_START: - if (x >= mRenderX && x <= mRenderX + mRenderW && + if (x >= mLineX && x <= mLineX + mLineW && y >= mRenderY && y <= mRenderY + mRenderH) { - dragging = true; + mDragging = true; } // no break case TOUCH_DRAG: { - if (!dragging) return 0; + if (!mDragging) return 0; - x = std::max(mLineX, x); - x = std::min(mLineX + lineW, x); + x = std::max(mLineX + mSliderW/2, x); + x = std::min(mLineX + mLineW - mSliderW/2, x); - mValuePct = float(((x - mLineX) * 100) / lineW); + mValuePct = float(((x - (mLineX + mSliderW/2)) * 100) / (mLineW - mSliderW)); int newVal = valueFromPct(mValuePct); if (newVal != mValue) { mRendered = false; @@ -385,8 +427,8 @@ int GUISliderValue::NotifyTouch(TOUCH_STATE state, int x, int y) } case TOUCH_RELEASE: { - if (!dragging) return 0; - dragging = false; + if (!mDragging) return 0; + mDragging = false; if (!mVariable.empty()) DataManager::SetValue(mVariable, mValue); -- cgit v1.2.3