lm_gui

$#include "lm_pkg_lm_gui.h"

/* tolua -o pkg_lm_gui.cpp -H pkg_lm_gui.h pkg_lm_gui.lua_pkg */

typedef int                int32;

typedef unsigned int    uint32;

typedef float            real;

module LM { // begin module

module GUI { // begin module

/**********************************************************************/

/*** Key Codes ***/

#define LM_KEY_RETURN @ KEY_RETURN

#define LM_KEY_ESCAPE @ KEY_ESCAPE

#define LM_KEY_TAB @ KEY_TAB

#define LM_KEY_BACKSPACE @ KEY_BACKSPACE

#define LM_KEY_DELETE @ KEY_DELETE

#define LM_KEY_HOME @ KEY_HOME

#define LM_KEY_END @ KEY_END

#define LM_KEY_PAGEUP @ KEY_PAGEUP

#define LM_KEY_PAGEDOWN @ KEY_PAGEDOWN

#define LM_KEY_LEFT @ KEY_LEFT

#define LM_KEY_UP @ KEY_UP

#define LM_KEY_RIGHT @ KEY_RIGHT

#define LM_KEY_DOWN @ KEY_DOWN

#define LM_KEY_F1 @ KEY_F1

#define LM_KEY_F2 @ KEY_F2

#define LM_KEY_F3 @ KEY_F3

#define LM_KEY_F4 @ KEY_F4

#define LM_KEY_F5 @ KEY_F5

#define LM_KEY_F6 @ KEY_F6

#define LM_KEY_F7 @ KEY_F7

#define LM_KEY_F8 @ KEY_F8

#define LM_KEY_F9 @ KEY_F9

#define LM_KEY_F10 @ KEY_F10

#define LM_KEY_F11 @ KEY_F11

#define LM_KEY_F12 @ KEY_F12

/**********************************************************************/

/*** Miscellaneous Support Stuff ***/

extern char *LM_OpenFileDialog @ OpenFile(const char *caption);

extern char *LM_SaveFileDialog @ SaveFile(const char *caption);

class LM_Message {

    LM_Message();

    ~LM_Message();

    int32    fWhat;



    int32 CountKeys();

    const char *GetKeyName(int32 keyID);

    void ClearKeys();

    bool HasKey(const char *key);

    void Set(const char *key, const char *value);

    const char *GetString(const char *key);

    void Set(const char *key, bool value);

    bool GetBool(const char *key);

    void Set(const char *key, int32 value);

    int32 GetInt(const char *key);

    void Set(const char *key, real value);

    real GetFloat(const char *key);

    void Set(const char *key, rgb_color value);

    rgb_color GetColor(const char *key);

    void Set(const char *key, LM_Point value);

    LM_Point GetPoint(const char *key);

    void Set(const char *key, LM_Vector2 value);

    LM_Vector2 GetVector2(const char *key);

    void Set(const char *key, LM_Vector3 value);

    LM_Vector3 GetVector3(const char *key);

    void Set(const char *key, LM_Rect value);

    LM_Rect GetRect(const char *key);

    void Set(const char *key, LM_Message *value);

    LM_Message *GetMessage(const char *key);

    void SetPtr(const char *key, void *value);

    void *GetPtr(const char *key);

};

/**********************************************************************/

/*** Graphics ***/

class LM_Graphics {

    // underlying image properties

    int32 Width();

    int32 Height();

    // graphics state functions

    void SetColor(const rgb_color &color);

    void SetColor(int32 r, int32 g, int32 b, int32 a = 255);

    void SetPenWidth(int32 w);

    void SetSmoothing(bool value);

    void SetBezierTolerance(real pixels);

    // display transformation

        // pixel <-> world coordinate transformations

    void ScreenToWorld(LM_Point &where, LM_Vector2 &pt);

    void ScreenToWorld(LM_Point &where, LM_Vector3 &pt);

    bool WorldToScreen(LM_Vector2 &pt, LM_Point &where);

    bool WorldToScreen(LM_Vector2 &pt, LM_Vector2 &where);

        // transform stack

    void BeginDraw();

    void Push();

    void Pop();

    LM_Matrix CurrentTransform();

    void Translate(real dx, real dy);

    void Scale(real sx, real sy);

    void Rotate(real angle);

    void ApplyMatrix(const LM_Matrix &matrix);

    real CurrentScale(bool ignoreZoom);

    void EndDraw();

    // picking functions

    void BeginPicking(LM_Point where, int32 pickWidth);

    bool Pick();

    bool IsFullWhite(LM_Point where);

    void SelectionRect(LM_Rect r, bool fillRect = false);

    // drawing functions

    void Clear(int32 r, int32 g, int32 b, int32 a = 255);

        // line-drawing functions

    void MoveTo(real x, real y);

    void MoveTo(int32 x, int32 y);

    void LineTo(real x, real y);

    void LineTo(int32 x, int32 y);

    void DrawLine(real x1, real y1, real x2, real y2);

        // shape functions

    void BeginShape();

    void AddLine(LM_Vector2 &end1, LM_Vector2 &end2);

    void EndShape();

        // oval functions

    void FrameCircle(LM_Vector2 ¢er, real radius);

    void FillCircle(LM_Vector2 ¢er, real radius);

    void FrameCirclePixelRadius(LM_Vector2 ¢er, int32 radius);

    void FillCirclePixelRadius(LM_Vector2 ¢er, int32 radius);

        // miscellaneous functions

    void DrawMarker(real xf, real yf);

    void DrawFatMarker(real xf, real yf, real radius);

    bool FloodFill(int32 seedX, int32 seedY);

};

/**********************************************************************/

/*** Widgets ***/

#define LM_FOLLOW_LEFT @ FOLLOW_LEFT

#define LM_FOLLOW_TOP @ FOLLOW_TOP

#define LM_FOLLOW_RIGHT @ FOLLOW_RIGHT

#define LM_FOLLOW_BOTTOM @ FOLLOW_BOTTOM

#define LM_DEFAULT_PADDING @ DEFAULT_PADDING

#define LM_DEFAULT_INDENT @ DEFAULT_INDENT

#define LM_ALIGN_LEFT @ ALIGN_LEFT

#define LM_ALIGN_TOP @ ALIGN_TOP

#define LM_ALIGN_CENTER @ ALIGN_CENTER

#define LM_ALIGN_RIGHT @ ALIGN_RIGHT

#define LM_ALIGN_BOTTOM @ ALIGN_BOTTOM

#define LM_ALIGN_FILL @ ALIGN_FILL

class LM_View {

    void Enable(bool enable);

    bool IsEnabled();



    void SetCursor(LM_Cursor *cursor);

};

class LM_BaseWidget : public LM_View {

    void Redraw();

};

class LM_StaticText : public LM_BaseWidget {

};

class LM_DynamicText : public LM_BaseWidget {

    void SetValue(const char *text);

    void SetValue(int32 i);

    void SetValue(real f);

};

class LM_Divider : public LM_BaseWidget {

};

class LM_Button : public LM_BaseWidget {

    void SetValue(bool value);

    bool Value();

};

class LM_CheckBox : public LM_BaseWidget {

    void SetValue(bool value);

    bool Value();

};

class LM_RadioButton : public LM_BaseWidget {

    void SetValue(bool value);

    bool Value();

};

#define LM_FIELD_TEXT @ FIELD_TEXT

#define LM_FIELD_INT @ FIELD_INT

#define LM_FIELD_FLOAT @ FIELD_FLOAT

#define LM_FIELD_UINT @ FIELD_UINT

#define LM_FIELD_UFLOAT @ FIELD_UFLOAT

#define LM_FIELD_NODIGITS @ FIELD_NODIGITS

class LM_TextControl : public LM_BaseWidget {

    void SetValue(const char *text);

    void SetValue(int32 i);

    void SetValue(real f);

    void SetWheelInc(real f);

    const char *Value();

    int32 IntValue();

    real FloatValue();

    void SetConstantMessages(bool b);

};

class LM_Menu : public LM_Layer {

    void AddItem(const char *label, char shortcut, int32 msg);

    void AddItemAlphabetically(const char *label, char shortcut, int32 msg);

    int32 CountItems();

    void RemoveAllItems();

    void SetEnabled(int32 msg, bool enabled);

    bool IsEnabled(int32 msg);

    void SetChecked(int32 msg, bool checked);

    void SetChecked @ SetCheckedLabel(const char *label, bool checked);

    bool IsChecked(int32 msg);

    void UncheckAll();

    int32 FirstChecked();

    int32 FirstCheckedMsg();

    const char *FirstCheckedLabel();

    const char *ItemLabel(int32 msg);

};

class LM_PopupMenu : public LM_BaseWidget {

    void SetMenu(LM_Menu *menu);

    LM_Menu *Menu();

};

class LM_PopupDialog : public LM_BaseWidget {

    void SetDialog(LM_Dialog *dialog);

    LM_Dialog *Dialog();

};

class LM_TextList : public LM_BaseWidget {

    int32 CountItems();

    const char *GetItem(int32 id);

    void AddItem(const char *label, bool redraw = true);

    void AddItemAlphabetically(const char *label, bool redraw = true);

    void RemoveItem(int32 id, bool redraw = true);

    void SetSelItem(int32 id, bool redraw = true);

    bool SetSelItem(const char *label, bool redraw = true);

    int32 SelItem();

    const char *SelItemLabel();

    void SetItemLabel(int32 id, const char *label);

};

class LM_ColorSwatch : public LM_BaseWidget {

    void SetValue(rgb_color color);

    rgb_color Value();

};

class LM_AngleWidget : public LM_BaseWidget {

    void SetValue(real angle);

    real Value();

};

/**********************************************************************/

/*** Widget Factory ***/

extern LM_StaticText *WF_StaticText @ StaticText(const char *label);

extern LM_DynamicText *WF_DynamicText @ DynamicText(const char *label, int32 width = 0);

extern LM_Divider *WF_Divider @ Divider(bool vertical);

extern LM_Button *WF_Button @ Button(const char *label, int32 msg = 0);

extern LM_CheckBox *WF_CheckBox @ CheckBox(const char *label, int32 msg = 0);

extern LM_RadioButton *WF_RadioButton @ RadioButton(const char *label, int32 msg = 0);

extern LM_TextControl *WF_TextControl @ TextControl(int32 width, const char *text, int32 msg = 0, uint32 fieldType = LM_FIELD_TEXT);

extern LM_Menu *WF_Menu @ Menu(const char *title);

extern LM_PopupMenu *WF_PopupMenu @ PopupMenu(int32 width, bool radioMode = true);

extern LM_PopupDialog *WF_PopupDialog @ PopupDialog(const char *label, bool lockOpen = false, int32 msg = 0);

extern LM_TextList *WF_TextList @ TextList(int32 width, int32 height, int32 msg = 0);

extern LM_ColorSwatch *WF_ColorSwatch @ ColorSwatch(bool allowAlpha, int32 msg = 0);

extern LM_AngleWidget *WF_AngleWidget @ AngleWidget(int32 msg = 0);

extern LM_Button *WF_ImageButton @ ImageButton(const char *path, const char *tooltip, bool checkbox, int32 msg = 0);

extern LM_Cursor *WF_Cursor @ Cursor(const char *path, int32 hotX, int32 hotY);

/**********************************************************************/

/*** Layout View ***/

class LM_LayoutView : public LM_View {

    void AddChild(LM_View *view, uint32 alignment = LM_ALIGN_CENTER, int32 indent = 0);

    void AddPadding(int32 pixels = LM_DEFAULT_PADDING);

    void Indent(int32 amount = LM_DEFAULT_INDENT);

    void Unindent(int32 amount = LM_DEFAULT_INDENT);

    void PushH2 @ PushH(uint32 alignment = LM_ALIGN_LEFT, int32 padding = -1);

    void PushV2 @ PushV(uint32 alignment = LM_ALIGN_LEFT, int32 padding = -1);

    void Pop();

};

/**********************************************************************/

/*** Dialog ***/

#define MSG_OK

#define MSG_CANCEL

class LM_SimpleDialog : public LM_Dialog {

public:

    LM_SimpleDialog(const char *title);

    ~LM_SimpleDialog();

    LM_LayoutView *GetLayout();

    int32 DoModal();

    void DoModeless();

    bool ValidateFloat @ Validate(LM_TextControl *pCtrl, real low, real high);

};

$[

-- Creates a new dialog, and attaches a set of class functions to that instance

function LM.GUI.SimpleDialog(title, subClass)

    local d = LM.GUI.LM_SimpleDialog:new(title)

    for n, v in pairs(subClass) do

        d[n] = v

    end

    LM.GUI.SimpleDialogRegister(d)

    return d

end

$]

/**********************************************************************/

/*** Alert Box ***/

#define LM_ALERT_INFO @ ALERT_INFO

#define LM_ALERT_WARNING @ ALERT_WARNING

#define LM_ALERT_QUESTION @ ALERT_QUESTION

extern int LM_DoAlert @ Alert(int alertType,

                     const char *str1, const char *str2 = NULL, const char *str3 = NULL,

                     const char *but1 = "OK", const char *but2 = NULL, const char *but3 = NULL);

} // end GUI module

} // end LM module

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