src/add-ons/screen_savers/gravity/ConfigView.cpp

   1 /*
   2  * Copyright 2012-2013 Tri-Edge AI <triedgeai@gmail.com>
   3  * Copyright 2014-2016 Haiku, Inc. All rights reserved.
   4  *
   5  * Distributed under the terms of the MIT license.
   6  *
   7  * Authors:
   8  *              Tri-Edge AI
   9  *              John Scipione, jscipione@gmail.com
  10  */
  11
  12
  13 #include "ConfigView.h"
  14
  15 #include <LayoutBuilder.h>
  16 #include <ListView.h>
  17 #include <ScrollView.h>
  18 #include <Slider.h>
  19 #include <StringView.h>
  20 #include <View.h>
  21
  22 #include "ColorItem.h"
  23 #include "Gravity.h"
  24 #include "RainbowItem.h"
  25
  26
  27 static const int32 kMsgSize = 'size';
  28 static const int32 kMsgShade = 'shad';
  29
  30
  31 ConfigView::ConfigView(BRect frame, Gravity* parent)
  32         :
  33         BView(frame, B_EMPTY_STRING, B_FOLLOW_ALL_SIDES, B_WILL_DRAW),
  34         fParent(parent),
  35         fTitleString(new BStringView(B_EMPTY_STRING, "OpenGL Gravity Effect")),
  36         fAuthorString(new BStringView(B_EMPTY_STRING, "by Tri-Edge AI")),
  37         fCountSlider(new BSlider(B_EMPTY_STRING, "Particle Count: ",
  38                 new BMessage(kMsgSize), 0, 4, B_HORIZONTAL, B_BLOCK_THUMB,
  39                 B_NAVIGABLE | B_WILL_DRAW)),
  40         fShadeString(new BStringView(B_EMPTY_STRING, "Shade: ")),
  41         fShadeList(new BListView(B_EMPTY_STRING, B_SINGLE_SELECTION_LIST,
  42                 B_WILL_DRAW | B_NAVIGABLE))
  43 {
  44         SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
  45
  46         fShadeList->SetSelectionMessage(new BMessage(kMsgShade));
  47         fShadeList->AddItem(new ColorItem("Red", (rgb_color){ 255, 65, 54 }));
  48         fShadeList->AddItem(new ColorItem("Green", (rgb_color){ 46, 204, 64 }));
  49         fShadeList->AddItem(new ColorItem("Blue", (rgb_color){ 0, 116, 217 }));
  50         fShadeList->AddItem(new ColorItem("Orange", (rgb_color){ 255, 133, 27 }));
  51         fShadeList->AddItem(new ColorItem("Purple", (rgb_color){ 177, 13, 201 }));
  52         fShadeList->AddItem(new ColorItem("White", (rgb_color){ 255, 255, 255 }));
  53         fShadeList->AddItem(new RainbowItem("Rainbow"));
  54
  55         fShadeScroll = new BScrollView(B_EMPTY_STRING, fShadeList,
  56                 B_WILL_DRAW | B_FRAME_EVENTS, false, true);
  57
  58         fCountSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
  59         fCountSlider->SetHashMarkCount(5);
  60         fCountSlider->SetLimitLabels("128", "2048");
  61         fCountSlider->SetModificationMessage(new BMessage(kMsgSize));
  62         fCountSlider->SetValue(parent->Config.ParticleCount);
  63
  64         BLayoutBuilder::Group<>(this, B_VERTICAL, B_USE_DEFAULT_SPACING)
  65                 .AddGroup(B_VERTICAL, 0)
  66                         .Add(fTitleString)
  67                         .Add(fAuthorString)
  68                         .End()
  69                 .Add(fShadeString)
  70                 .Add(fShadeScroll)
  71                 .Add(fCountSlider)
  72                 .SetInsets(B_USE_DEFAULT_SPACING)
  73                 .End();
  74 }
  75
  76
  77 void
  78 ConfigView::AllAttached()
  79 {
  80         // fixup scroll bar range
  81         fShadeScroll->ScrollBar(B_VERTICAL)->SetRange(0.0f,
  82                 fShadeList->ItemFrame(fShadeList->CountItems()).bottom
  83                         - fShadeList->ItemFrame((int32)0).top);
  84
  85         // select the shade
  86         fShadeList->Select(fParent->Config.ShadeID);
  87 }
  88
  89
  90 void
  91 ConfigView::AttachedToWindow()
  92 {
  93         fShadeList->SetTarget(this);
  94         fCountSlider->SetTarget(this);
  95 }
  96
  97
  98 void
  99 ConfigView::MessageReceived(BMessage* message)
 100 {
 101         switch (message->what) {
 102                 case kMsgSize:
 103                         fParent->Config.ParticleCount = fCountSlider->Value();
 104                         break;
 105
 106                 case kMsgShade:
 107                         fParent->Config.ShadeID = fShadeList->CurrentSelection();
 108                         break;
 109
 110                 default:
 111                         BView::MessageReceived(message);
 112         }
 113 }