186 lines
3.6 KiB
Plaintext
186 lines
3.6 KiB
Plaintext
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!ifndef NULLSOFT_NX_TEXT_RECT_NSIS_HEADER
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!define NULLSOFT_NX_TEXT_RECT_NSIS_HEADER
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!include "util.nsh"
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!include "logicLib.nsh"
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!include "system.nsh"
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!macro NX_CalculateTextRectInternal
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!define hwnd_ $R0
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!define text_ $R1
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!define style_ $R2
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!define maxWidth_ $R3
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!define hdc_ $R4
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!define font_ $R5
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!define previousFont_ $R6
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!define width_ $R7
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!define height_ $R8
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!define averageCharWidth_ $R9
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Exch ${hwnd_}
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Exch 1
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Exch ${text_}
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Exch 2
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Exch ${style_}
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Exch 3
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Exch ${maxWidth_}
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Push ${hdc_}
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Push ${font_}
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Push ${previousFont_}
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Push ${width_}
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Push ${height_}
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Push ${averageCharWidth_}
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StrCpy ${width_} 0
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StrCpy ${height_} 0
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StrCpy ${averageCharWidth_} 0
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System::Call "${fnGetDCEx}(${hwnd_}, 0, ${DCX_CACHE}|${DCX_NORESETATTRS}).s"
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Pop ${hdc_}
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SendMessage ${hwnd_} ${WM_GETFONT} 0 0 ${font_}
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System::Call "${fnSelectObject}(${hdc_}, ${font_}).s"
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Pop ${previousFont_}
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; Get Text Metrics (in case of empty line)
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Push $0
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Push $1
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System::Call "*${stTEXTMETRIC} .r1"
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System::Call "${fnGetTextMetrics}(${hdc_}, $1).r0"
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${If} $0 != 0
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Push $2
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System::Call "*$1${stTEXTMETRIC}(.r0, ., ., ., ., .r2, _)"
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StrCpy ${height_} $0
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StrCpy ${averageCharWidth_} $2
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Pop $2
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${EndIf}
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System::Free $1
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Pop $1
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Pop $0
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; Calculate Text Rect
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Push $0
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StrLen $0 ${text_}
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${If} $0 != 0
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Push $1 ; rect
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Push $2 ; text flags
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; build text flags
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StrCpy $2 ${DT_CALCRECT}|${DT_LEFT}|${DT_TOP}
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IntOp $2 $2 | ${style_}
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System::Call "*${stRECT}(0, 0, ${maxWidth_}, $0) .r1"
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System::Call "${fnDrawText}(${hdc_}, '${text_}', -1, $1, $2).r0"
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${if} $0 != 0
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Push $3
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Push $4
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Push $5
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System::Call "*$1${stRECT}(.r2, .r3, .r4, .r5)"
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IntOp ${width_} $4 - $2
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IntOp $3 $5 - $3
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${if} $3 > ${height_}
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StrCpy ${height_} $3
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${EndIf}
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IntOp $4 ${averageCharWidth_} / 2
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IntOp ${width_} ${width_} + $4
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Pop $5
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Pop $4
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Pop $3
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${EndIf}
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System::Free $1
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Pop $2 ; text flags
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Pop $1 ; rect
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${EndIf}
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Pop $0
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${If} ${previousFont_} != 0
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System::Call "${fnSelectObject}(${hdc_}, ${previousFont_})"
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${EndIf}
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System::Call "${fnReleaseDC}(${hwnd_}, ${hdc_})"
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StrCpy ${style_} ${width_}
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StrCpy ${text_} ${height_}
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Pop ${averageCharWidth_}
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Pop ${height_}
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Pop ${width_}
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Pop ${previousFont_}
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Pop ${font_}
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Pop ${hdc_}
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Pop ${maxWidth_}
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Pop ${hwnd_}
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Exch ${text_}
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Exch
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Exch ${style_}
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!undef hwnd_
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!undef text_
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!undef style_
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!undef maxWidth_
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!undef hdc_
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!undef font_
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!undef previousFont_
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!undef width_
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!undef height_
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!undef averageCharWidth_
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!macroend
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!macro NX_CalculateTextRect __hwnd __text __style __maxWidth __width __height
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Push "${__maxWidth}"
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Push "${__style}"
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Push "${__text}"
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Push "${__hwnd}"
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${CallArtificialFunction} NX_CalculateTextRectInternal
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Pop "${__width}"
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Pop "${__height}"
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!macroend
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!define NX_CalculateTextRect `!insertmacro NX_CalculateTextRect`
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!macro NX_GetLabelIdealSize __hwnd __maxWidth __width __height
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Push "${__maxWidth}"
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System::Call "${fnGetWindowLong}(${__hwnd}, ${GWL_STYLE}).s"
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Exch $0
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Push $1
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Push $2
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StrCpy $2 0
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IntOp $1 $0 & ${SS_EDITCONTROL}
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${If} $1 != 0
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IntOp $2 $2 | ${DT_EDITCONTROL}
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${EndIf}
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IntOp $1 $0 & ${SS_NOPREFIX}
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${If} $1 != 0
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IntOp $2 $2 | ${DT_NOPREFIX}
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${EndIf}
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IntOp $1 $0 & ${SS_SIMPLE}
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${If} $1 != 0
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IntOp $2 $2 | ${DT_SINGLELINE}
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${Else}
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IntOp $2 $2 | ${DT_WORDBREAK}
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${EndIf}
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StrCpy $0 $2
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Pop $2
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Pop $1
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Exch $0
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System::Call "${fnGetWindowText}(${__hwnd}, .s, ${NSIS_MAX_STRLEN})"
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Push "${__hwnd}"
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${CallArtificialFunction} NX_CalculateTextRectInternal
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Pop "${__width}"
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Pop "${__height}"
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!macroend
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!define NX_GetLabelIdealSize `!insertmacro NX_GetLabelIdealSize`
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!endif ; defined(NULLSOFT_NX_TEXT_RECT_NSIS_HEADER)
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