src/apps/showimage/PrintOptionsWindow.h

   1 /*
   2  * Copyright 2003-2009 Haiku Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Michael Pfeiffer, laplace@haiku-os.org
   7  */
   8 #ifndef PRINT_OPTIONS_WINDOW_H
   9 #define PRINT_OPTIONS_WINDOW_H
  10
  11
  12 #include <Messenger.h>
  13 #include <RadioButton.h>
  14 #include <Rect.h>
  15 #include <TextControl.h>
  16 #include <Window.h>
  17
  18
  19 class PrintOptions {
  20 public:
  21                                         PrintOptions();
  22
  23         // bounds of the image
  24         BRect                   Bounds() const { return fBounds; }
  25         void                    SetBounds(BRect bounds);
  26
  27         enum Option {
  28                 kFitToPage,
  29                 kZoomFactor,
  30                 kDPI,
  31                 kWidth,
  32                 kHeight,
  33                 kNumberOfOptions
  34         };
  35         enum Option             Option() const { return fOption; }
  36         void                    SetOption(enum Option op) { fOption = op; }
  37
  38         // ZoomFactor = 72.0 / dpi
  39         float                   ZoomFactor() const { return fZoomFactor; }
  40         void                    SetZoomFactor(float z);
  41         float                   DPI() const { return fDPI; }
  42         void                    SetDPI(float dpi);
  43
  44         // Setting width/height updates height/width to keep aspect ratio
  45         float                   Width() const { return fWidth; }
  46         float                   Height() const { return fHeight; }
  47         void                    SetWidth(float width);
  48         void                    SetHeight(float height);
  49
  50 private:
  51         BRect                   fBounds;
  52         enum Option             fOption;
  53         float                   fZoomFactor;
  54         float                   fDPI;
  55         float                   fWidth, fHeight; // 1/72 Inches
  56 };
  57
  58 class PrintOptionsWindow : public BWindow {
  59 public:
  60                                                                 PrintOptionsWindow(BPoint at,
  61                                                                         PrintOptions* options, BWindow* listener);
  62                                                                 ~PrintOptionsWindow();
  63
  64         void                    MessageReceived(BMessage* msg);
  65
  66 private:
  67         BRadioButton*                           AddRadioButton(const char* name, const char* label,
  68                                                                         uint32 what, bool selected);
  69
  70         BTextControl*                           AddTextControl(const char* name, const char* label,
  71                                                                         float value, uint32 what);
  72
  73         void                                            Setup();
  74         enum PrintOptions::Option       MsgToOption(uint32 what);
  75         bool                                            GetValue(BTextControl* text, float* value);
  76         void                                            SetValue(BTextControl* text, float value);
  77
  78         PrintOptions*                           fPrintOptions;
  79         PrintOptions                            fCurrentOptions;
  80         BMessenger                                      fListener;
  81         status_t                                        fStatus;
  82         BTextControl*                           fZoomFactor;
  83         BTextControl*                           fDPI;
  84         BTextControl*                           fWidth;
  85         BTextControl*                           fHeight;
  86
  87         enum {
  88                 kMsgOK = 'mPOW',
  89                 kMsgFitToPageSelected,
  90                 kMsgZoomFactorSelected,
  91                 kMsgDPISelected,
  92                 kMsgWidthAndHeightSelected,
  93
  94                 kMsgZoomFactorChanged,
  95                 kMsgDPIChanged,
  96                 kMsgWidthChanged,
  97                 kMsgHeightChanged,
  98
  99                 kMsgJobSetup,
 100
 101                 kIndent = 5,
 102                 kLineSkip = 5,
 103         };
 104 };
 105
 106
 107 #endif
 108