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Aegisub/aegisub/src/auto4_lua_dialog.cpp

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// Copyright (c) 2006, 2007, Niels Martin Hansen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$
/// @file auto4_lua_dialog.cpp
/// @brief Lua 5.1-based scripting engine (configuration-dialogue interface)
/// @ingroup scripting
///
#include "config.h"
#ifdef WITH_AUTO4_LUA
#include "auto4_lua.h"
#ifdef __WINDOWS__
#include "../../contrib/lua51/src/lualib.h"
#include "../../contrib/lua51/src/lauxlib.h"
#else
#include "lualib.h"
#include "lauxlib.h"
#endif
#include "string_codec.h"
#include "utils.h"
#include <wx/window.h>
#include <wx/spinctrl.h>
#include <wx/gbsizer.h>
#include <wx/button.h>
#include <wx/validate.h>
#include <wx/tokenzr.h>
#include <assert.h>
#include "colour_button.h"
#include "ass_style.h"
namespace Automation4 {
// LuaConfigDialogControl
LuaConfigDialogControl::LuaConfigDialogControl(lua_State *L)
{
// Assume top of stack is a control table (don't do checking)
lua_getfield(L, -1, "name");
if (lua_isstring(L, -1)) {
name = wxString(lua_tostring(L, -1), wxConvUTF8);
} else {
name = _T("");
}
lua_pop(L, 1);
lua_getfield(L, -1, "x");
if (lua_isnumber(L, -1)) {
x = lua_tointeger(L, -1);
if (x < 0) x = 0;
} else {
x = 0;
}
lua_pop(L, 1);
lua_getfield(L, -1, "y");
if (lua_isnumber(L, -1)) {
y = lua_tointeger(L, -1);
if (y < 0) y = 0;
} else {
y = 0;
}
lua_pop(L, 1);
lua_getfield(L, -1, "width");
if (lua_isnumber(L, -1)) {
width = lua_tointeger(L, -1);
if (width < 1) width = 1;
} else {
width = 1;
}
lua_pop(L, 1);
lua_getfield(L, -1, "height");
if (lua_isnumber(L, -1)) {
height = lua_tointeger(L, -1);
if (height < 1) height = 1;
} else {
height = 1;
}
lua_pop(L, 1);
lua_getfield(L, -1, "hint");
if (lua_isstring(L, -1)) {
hint = wxString(lua_tostring(L, -1), wxConvUTF8);
} else {
hint = _T("");
}
lua_pop(L, 1);
wxLogDebug(_T("created control: '%s', (%d,%d)(%d,%d), '%s'"), name.c_str(), x, y, width, height, hint.c_str());
}
namespace LuaControl {
// Label
class Label : public LuaConfigDialogControl {
public:
wxString label;
Label(lua_State *L)
: LuaConfigDialogControl(L)
{
lua_getfield(L, -1, "label");
label = wxString(lua_tostring(L, -1), wxConvUTF8);
lua_pop(L, 1);
}
virtual ~Label() { }
// Doesn't have a serialisable value so don't implement that sub-interface
wxControl *Create(wxWindow *parent)
{
return cw = new wxStaticText(parent, -1, label);
}
void ControlReadBack()
{
// Nothing here
}
void LuaReadBack(lua_State *L)
{
// Label doesn't produce output, so let it be nil
lua_pushnil(L);
}
};
// Basic edit
class Edit : public LuaConfigDialogControl {
public:
wxString text;
Edit(lua_State *L)
: LuaConfigDialogControl(L)
{
// Undocumented behaviour, 'value' is also accepted as key for text,
// mostly so a text control can stand in for other things.
// This shouldn't be exploited and might change later.
lua_getfield(L, -1, "value");
if (lua_isnil(L, -1))
{
lua_pop(L, 1);
lua_getfield(L, -1, "text");
}
text = wxString(lua_tostring(L, -1), wxConvUTF8);
lua_pop(L, 1);
}
virtual ~Edit() { }
bool CanSerialiseValue()
{
return true;
}
wxString SerialiseValue()
{
return inline_string_encode(text);
}
void UnserialiseValue(const wxString &serialised)
{
text = inline_string_decode(serialised);
}
wxControl *Create(wxWindow *parent)
{
cw = new wxTextCtrl(parent, -1, text, wxDefaultPosition, wxDefaultSize, 0);
cw->SetToolTip(hint);
return cw;
}
void ControlReadBack()
{
text = ((wxTextCtrl*)cw)->GetValue();
}
void LuaReadBack(lua_State *L)
{
lua_pushstring(L, text.mb_str(wxConvUTF8));
}
};
class Color : public LuaConfigDialogControl {
public:
wxString text;
Color(lua_State *L)
: LuaConfigDialogControl(L)
{
lua_getfield(L, -1, "value");
text = wxString(lua_tostring(L, -1), wxConvUTF8);
lua_pop(L, 1);
}
virtual ~Color() { }
bool CanSerialiseValue()
{
return true;
}
wxString SerialiseValue()
{
return inline_string_encode(text);
}
void UnserialiseValue(const wxString &serialised)
{
text = inline_string_decode(serialised);
}
wxControl *Create(wxWindow *parent)
{
AssColor colour;
colour.Parse(text);
cw = new ColourButton(parent, -1, wxSize(50*width,10*height), colour.GetWXColor());
cw->SetToolTip(hint);
return cw;
}
void ControlReadBack()
{
text = ((ColourButton*)cw)->GetColour().GetAsString(wxC2S_HTML_SYNTAX);
}
void LuaReadBack(lua_State *L)
{
lua_pushstring(L, text.mb_str(wxConvUTF8));
}
};
// Multiline edit
class Textbox : public Edit {
public:
Textbox(lua_State *L)
: Edit(L)
{
// Nothing more
}
virtual ~Textbox() { }
// Same serialisation interface as single-line edit
wxControl *Create(wxWindow *parent)
{
cw = new wxTextCtrl(parent, -1, text, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE);
cw->SetMinSize(wxSize(0, 30));
cw->SetToolTip(hint);
return cw;
}
};
// Integer only edit
class IntEdit : public Edit {
public:
int value;
bool hasspin;
int min, max;
IntEdit(lua_State *L)
: Edit(L)
{
lua_getfield(L, -1, "value");
value = lua_tointeger(L, -1);
lua_pop(L, 1);
hasspin = false;
lua_getfield(L, -1, "min");
if (!lua_isnumber(L, -1))
goto nospin;
min = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, -1, "max");
if (!lua_isnumber(L, -1))
goto nospin;
max = lua_tointeger(L, -1);
lua_pop(L, 1);
hasspin = true;
nospin:
if (!hasspin) {
lua_pop(L, 1);
// Assuming we are using a binary machine with finite word length,
// that represents integers as two's complement, this will get us
// the largest and smallest values representable by the int type.
max = (int)((~(unsigned int)0) >> 1);
min = ~max;
}
}
virtual ~IntEdit() { }
bool CanSerialiseValue()
{
return true;
}
wxString SerialiseValue()
{
return wxString::Format(_T("%d"), value);
}
void UnserialiseValue(const wxString &serialised)
{
long tmp;
if (serialised.ToLong(&tmp))
value = tmp;
}
wxControl *Create(wxWindow *parent)
{
wxSpinCtrl *scw = new wxSpinCtrl(parent, -1, wxString::Format(_T("%d"), value), wxDefaultPosition, wxDefaultSize, wxSP_ARROW_KEYS, min, max, value);
scw->SetToolTip(hint);
cw = scw;
return cw;
}
void ControlReadBack()
{
value = ((wxSpinCtrl*)cw)->GetValue();
}
void LuaReadBack(lua_State *L)
{
lua_pushinteger(L, value);
}
};
// Float only edit
class FloatEdit : public Edit {
public:
float value;
bool hasspin;
float min, max;
// FIXME: Can't support spin button atm
FloatEdit(lua_State *L)
: Edit(L)
{
lua_getfield(L, -1, "value");
value = (float)lua_tonumber(L, -1);
lua_pop(L, 1);
// TODO: spin button support
}
virtual ~FloatEdit() { }
bool CanSerialiseValue()
{
return true;
}
wxString SerialiseValue()
{
return PrettyFloatF(value);
}
void UnserialiseValue(const wxString &serialised)
{
double tmp;
if (serialised.ToDouble(&tmp))
value = (float)tmp;
}
typedef wxValidator FloatTextValidator;
wxControl *Create(wxWindow *parent)
{
cw = new wxTextCtrl(parent, -1, PrettyFloatF(value), wxDefaultPosition, wxDefaultSize, 0); //, FloatTextValidator());
cw->SetToolTip(hint);
return cw;
}
void ControlReadBack()
{
double newval;
text = ((wxTextCtrl*)cw)->GetValue();
if (text.ToDouble(&newval)) {
value = newval;
}
}
void LuaReadBack(lua_State *L)
{
lua_pushnumber(L, value);
}
};
// Dropdown
class Dropdown : public LuaConfigDialogControl {
public:
wxArrayString items;
wxString value;
Dropdown(lua_State *L)
: LuaConfigDialogControl(L)
{
lua_getfield(L, -1, "value");
value = wxString(lua_tostring(L, -1), wxConvUTF8);
lua_pop(L, 1);
lua_getfield(L, -1, "items");
lua_pushnil(L);
while (lua_next(L, -2)) {
if (lua_isstring(L, -1)) {
items.Add(wxString(lua_tostring(L, -1), wxConvUTF8));
}
lua_pop(L, 1);
}
lua_pop(L, 1);
}
virtual ~Dropdown() { }
bool CanSerialiseValue()
{
return true;
}
wxString SerialiseValue()
{
return inline_string_encode(value);
}
void UnserialiseValue(const wxString &serialised)
{
value = inline_string_decode(serialised);
}
wxControl *Create(wxWindow *parent)
{
cw = new wxComboBox(parent, -1, value, wxDefaultPosition, wxDefaultSize, items, wxCB_READONLY);
cw->SetToolTip(hint);
return cw;
}
void ControlReadBack()
{
value = ((wxComboBox*)cw)->GetValue();
}
void LuaReadBack(lua_State *L)
{
lua_pushstring(L, value.mb_str(wxConvUTF8));
}
};
// Checkbox
class Checkbox : public LuaConfigDialogControl {
public:
wxString label;
bool value;
Checkbox(lua_State *L)
: LuaConfigDialogControl(L)
{
lua_getfield(L, -1, "label");
label = wxString(lua_tostring(L, -1), wxConvUTF8);
lua_pop(L, 1);
lua_getfield(L, -1, "value");
value = lua_toboolean(L, -1) != 0;
lua_pop(L, 1);
}
virtual ~Checkbox() { }
bool CanSerialiseValue()
{
return true;
}
wxString SerialiseValue()
{
return value ? _T("1") : _T("0");
}
void UnserialiseValue(const wxString &serialised)
{
// fixme? should this allow more different "false" values?
value = (serialised == _T("0")) ? false : true;
}
wxControl *Create(wxWindow *parent)
{
cw = new wxCheckBox(parent, -1, label);
cw->SetToolTip(hint);
static_cast<wxCheckBox*>(cw)->SetValue(value);
return cw;
}
void ControlReadBack()
{
value = ((wxCheckBox*)cw)->GetValue();
}
void LuaReadBack(lua_State *L)
{
lua_pushboolean(L, value);
}
};
};
// LuaConfigDialog
LuaConfigDialog::LuaConfigDialog(lua_State *L, bool include_buttons)
: use_buttons(include_buttons)
{
wxLogDebug(_T("creating LuaConfigDialog, this addr is %p"), this);
button_pushed = 0;
if (include_buttons) {
if (!lua_istable(L, -1))
// Just to avoid deeper indentation...
goto skipbuttons;
// Iterate over items in table
lua_pushnil(L); // initial key
while (lua_next(L, -2)) {
// Simply skip invalid items... FIXME, warn here?
if (lua_isstring(L, -1)) {
wxString s(lua_tostring(L, -1), wxConvUTF8);
buttons.push_back(s);
}
lua_pop(L, 1);
}
skipbuttons:
lua_pop(L, 1);
}
// assume top of stack now contains a dialog table
if (!lua_istable(L, -1)) {
lua_pushstring(L, "Cannot create config dialog from something non-table");
lua_error(L);
assert(false);
}
// Ok, so there is a table with controls
lua_pushnil(L); // initial key
while (lua_next(L, -2)) {
if (lua_istable(L, -1)) {
// Get control class
lua_getfield(L, -1, "class");
if (!lua_isstring(L, -1))
goto badcontrol;
wxString controlclass(lua_tostring(L, -1), wxConvUTF8);
controlclass.LowerCase();
lua_pop(L, 1);
LuaConfigDialogControl *ctl;
// Check control class and create relevant control
if (controlclass == _T("label")) {
ctl = new LuaControl::Label(L);
} else if (controlclass == _T("edit")) {
ctl = new LuaControl::Edit(L);
} else if (controlclass == _T("intedit")) {
ctl = new LuaControl::IntEdit(L);
} else if (controlclass == _T("floatedit")) {
ctl = new LuaControl::FloatEdit(L);
} else if (controlclass == _T("textbox")) {
ctl = new LuaControl::Textbox(L);
} else if (controlclass == _T("dropdown")) {
ctl = new LuaControl::Dropdown(L);
} else if (controlclass == _T("checkbox")) {
ctl = new LuaControl::Checkbox(L);
} else if (controlclass == _T("color")) {
ctl = new LuaControl::Color(L);
} else if (controlclass == _T("coloralpha")) {
// FIXME
ctl = new LuaControl::Edit(L);
} else if (controlclass == _T("alpha")) {
// FIXME
ctl = new LuaControl::Edit(L);
} else {
goto badcontrol;
}
controls.push_back(ctl);
} else {
badcontrol:
// not a control...
// FIXME, better error reporting?
lua_pushstring(L, "bad control table entry");
lua_error(L);
}
lua_pop(L, 1);
}
}
LuaConfigDialog::~LuaConfigDialog()
{
for (size_t i = 0; i < controls.size(); ++i)
delete controls[i];
}
wxWindow* LuaConfigDialog::CreateWindow(wxWindow *parent)
{
wxWindow *w = new wxPanel(parent);
wxGridBagSizer *s = new wxGridBagSizer(4, 4);
for (size_t i = 0; i < controls.size(); ++i) {
LuaConfigDialogControl *c = controls[i];
c->Create(w);
if (dynamic_cast<LuaControl::Label*>(c)) {
s->Add(c->cw, wxGBPosition(c->y, c->x), wxGBSpan(c->height, c->width), wxALIGN_CENTRE_VERTICAL|wxALIGN_LEFT);
} else {
s->Add(c->cw, wxGBPosition(c->y, c->x), wxGBSpan(c->height, c->width), wxEXPAND);
}
}
if (use_buttons) {
wxStdDialogButtonSizer *bs = new wxStdDialogButtonSizer();
if (buttons.size() > 0) {
wxLogDebug(_T("creating user buttons"));
for (size_t i = 0; i < buttons.size(); ++i) {
wxLogDebug(_T("button '%s' gets id %d"), buttons[i].c_str(), 1001+(wxWindowID)i);
bs->Add(new wxButton(w, 1001+(wxWindowID)i, buttons[i]));
}
} else {
wxLogDebug(_T("creating default buttons"));
bs->Add(new wxButton(w, wxID_OK));
bs->Add(new wxButton(w, wxID_CANCEL));
}
bs->Realize();
button_event = new ButtonEventHandler();
button_event->button_pushed = &button_pushed;
// passing button_event as userdata because wx will then delete it
w->Connect(wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler(LuaConfigDialog::ButtonEventHandler::OnButtonPush), button_event, button_event);
wxLogDebug(_T("set event handler, this addr is %p"), this);
wxBoxSizer *ms = new wxBoxSizer(wxVERTICAL);
ms->Add(s, 0, wxBOTTOM, 5);
ms->Add(bs);
w->SetSizerAndFit(ms);
} else {
w->SetSizerAndFit(s);
}
return w;
}
int LuaConfigDialog::LuaReadBack(lua_State *L)
{
// First read back which button was pressed, if any
if (use_buttons) {
wxLogDebug(_T("reading back button_pushed"));
int btn = button_pushed;
if (btn == 0) {
wxLogDebug(_T("was zero, cancelled"));
// Always cancel/closed
lua_pushboolean(L, 0);
} else if (buttons.size() == 0 && btn == 1) {
wxLogDebug(_T("default buttons, button 1 pushed, Ok button"));
lua_pushboolean(L, 1);
} else {
wxLogDebug(_T("user button: %s"), buttons.at(btn-1).c_str());
// button_pushed is index+1 to reserve 0 for Cancel
lua_pushstring(L, buttons.at(btn-1).mb_str(wxConvUTF8));
}
}
// Then read controls back
lua_newtable(L);
for (size_t i = 0; i < controls.size(); ++i) {
controls[i]->LuaReadBack(L);
lua_setfield(L, -2, controls[i]->name.mb_str(wxConvUTF8));
}
if (use_buttons) {
return 2;
} else {
return 1;
}
}
wxString LuaConfigDialog::Serialise()
{
if (controls.size() == 0)
return _T("");
wxString res;
// Format into "name1:value1|name2:value2|name3:value3|"
for (size_t i = 0; i < controls.size(); ++i) {
if (controls[i]->CanSerialiseValue()) {
wxString sn = inline_string_encode(controls[i]->name);
wxString sv = controls[i]->SerialiseValue();
res += wxString::Format(_T("%s:%s|"), sn.c_str(), sv.c_str());
}
}
// Remove trailing pipe
if (!res.IsEmpty())
res.RemoveLast();
return res;
}
void LuaConfigDialog::Unserialise(const wxString &serialised)
{
// Split by pipe
wxStringTokenizer tk(serialised, _T("|"));
while (tk.HasMoreTokens()) {
// Split by colon
wxString pair = tk.GetNextToken();
wxString name = inline_string_decode(pair.BeforeFirst(_T(':')));
wxString value = pair.AfterFirst(_T(':'));
// Hand value to all controls matching name
for (size_t i = 0; i < controls.size(); ++i) {
if (controls[i]->name == name && controls[i]->CanSerialiseValue()) {
controls[i]->UnserialiseValue(value);
}
}
}
}
void LuaConfigDialog::ReadBack()
{
for (size_t i = 0; i < controls.size(); ++i) {
controls[i]->ControlReadBack();
}
}
void LuaConfigDialog::ButtonEventHandler::OnButtonPush(wxCommandEvent &evt)
{
// Let button_pushed == 0 mean "cancelled", such that pushing Cancel or closing the dialog
// will both result in button_pushed == 0
if (evt.GetId() == wxID_OK) {
wxLogDebug(_T("was wxID_OK"));
*button_pushed = 1;
} else if (evt.GetId() == wxID_CANCEL) {
wxLogDebug(_T("was wxID_CANCEL"));
*button_pushed = 0;
} else {
wxLogDebug(_T("was user button"));
// Therefore, when buttons are numbered from 1001 to 1000+n, make sure to set it to i+1
*button_pushed = evt.GetId() - 1000;
// hack to make sure the dialog will be closed
// only do this for non-colour buttons
ColourButton *button = dynamic_cast<ColourButton*> (evt.GetEventObject());
if (button) return;
evt.SetId(wxID_OK);
}
wxLogDebug(_T("button_pushed set to %d"), *button_pushed);
evt.Skip();
}
};
#endif // WITH_AUTO4_LUA
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