1. moved fontenum.cpp to unix because implementation is common to X and GTK+

(had to add wxGetDisplay() to wxGTK)
2. implemented EnumerateEncodings() - now only if we could do something useful
   with this...
3. added makefile for the console sample


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4187 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-10-25 17:22:13 +00:00
parent bbeb6c2bc2
commit d111a89a85
9 changed files with 308 additions and 11 deletions

View File

@@ -284,6 +284,7 @@ xpmhand.cpp M
gsocket.c M S
dialup.cpp U
fontenum.cpp U
threadpsx.cpp U
utilsunx.cpp U B
gsocket.c U
@@ -371,7 +372,6 @@ dcscreen.cpp X
dialog.cpp X
filedlg.cpp X
font.cpp X
fontenum.cpp X
frame.cpp X
gauge.cpp X
gdiobj.cpp X

View File

@@ -22,7 +22,7 @@
// fonts with given attributes
// ----------------------------------------------------------------------------
class wxFontEnumerator
class WXDLLEXPORT wxFontEnumerator
{
public:
// start enumerating font families - will result in OnFontFamily() being

View File

@@ -342,11 +342,15 @@ WXDLLEXPORT void wxRedirectIOToConsole();
// Display and colorss (X only)
// ----------------------------------------------------------------------------
#ifdef __WXGTK__
void *wxGetDisplay();
#endif
#ifdef __X__
WXDisplay *wxGetDisplay();
bool wxSetDisplay(const wxString& display_name);
wxString wxGetDisplayName();
#endif
#endif // X or GTK+
#ifdef __X__

View File

@@ -0,0 +1,21 @@
#
# File: makefile.unx
# Author: Julian Smart
# Created: 1998
# Updated:
# Copyright: (c) 1998 Julian Smart
#
# "%W% %G%"
#
# Makefile for console example (UNIX).
top_srcdir = @top_srcdir@
top_builddir = ../..
program_dir = samples/console
PROGRAM=console
OBJECTS=$(PROGRAM).o
include ../../src/makeprog.env

View File

@@ -86,6 +86,7 @@ public:
{ DoEnumerateFamilies(FALSE); }
void OnEnumerateFixedFamilies(wxCommandEvent& WXUNUSED(event))
{ DoEnumerateFamilies(TRUE); }
void OnEnumerateEncodings(wxCommandEvent& event);
protected:
void DoEnumerateFamilies(bool fixedWidthOnly);
@@ -129,6 +130,7 @@ enum
Font_Create,
Font_EnumFamilies,
Font_EnumFixedFamilies,
Font_EnumEncodings,
Font_Max
};
@@ -146,6 +148,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Font_Create, MyFrame::OnCreateFont)
EVT_MENU(Font_EnumFamilies, MyFrame::OnEnumerateFamilies)
EVT_MENU(Font_EnumFixedFamilies, MyFrame::OnEnumerateFixedFamilies)
EVT_MENU(Font_EnumEncodings, MyFrame::OnEnumerateEncodings)
END_EVENT_TABLE()
// Create a new application object: this macro will allow wxWindows to create
@@ -201,9 +204,11 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
menuFont->Append(Font_Create, "&Create font...\tCtrl-C",
"Create a custom font");
menuFont->AppendSeparator();
menuFont->Append(Font_EnumFamilies, "&Enumerate font families\tCtrl-E");
menuFont->Append(Font_EnumFamilies, "Enumerate font &families\tCtrl-F");
menuFont->Append(Font_EnumFixedFamilies,
"&Enumerate fixed font families\tCtrl-F");
"Enumerate f&ixed font families\tCtrl-I");
menuFont->Append(Font_EnumEncodings,
"Enumerate &encodings\tCtrl-E");
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
@@ -222,6 +227,38 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
// event handlers
void MyFrame::OnEnumerateEncodings(wxCommandEvent& WXUNUSED(event))
{
class MyEncodingEnumerator : public wxFontEnumerator
{
public:
MyEncodingEnumerator() { m_n = 0; }
const wxString& GetText() const { return m_text; }
protected:
virtual bool OnFontEncoding(const wxString& family,
const wxString& encoding)
{
wxString text;
text.Printf("Encoding %d: %s (available in family '%s')\n",
++m_n, encoding.c_str(), family.c_str());
m_text += text;
return TRUE;
}
private:
size_t m_n;
wxString m_text;
} fontEnumerator;
fontEnumerator.EnumerateEncodings();
wxLogMessage("Enumerating all available encodings:\n%s",
fontEnumerator.GetText().c_str());
}
void MyFrame::DoEnumerateFamilies(bool fixedWidthOnly)
{
@@ -230,21 +267,29 @@ void MyFrame::DoEnumerateFamilies(bool fixedWidthOnly)
public:
MyFontEnumerator() { m_n = 0; }
const wxString& GetText() const { return m_text; }
protected:
virtual bool OnFontFamily(const wxString& family)
{
wxLogMessage("Font family %d: %s\n", ++m_n, family.c_str());
wxString text;
text.Printf("Font family %d: %s\n", ++m_n, family.c_str());
m_text += text;
return TRUE;
}
private:
size_t m_n;
wxString m_text;
} fontEnumerator;
wxLogMessage("Enumerating %s font families:",
fixedWidthOnly ? "fixed width" : "all");
fontEnumerator.EnumerateFamilies(fixedWidthOnly);
wxLogMessage("Enumerating %s font families:\n%s",
fixedWidthOnly ? "fixed width" : "all",
fontEnumerator.GetText().c_str());
}
void MyFrame::OnCreateFont(wxCommandEvent& WXUNUSED(event))

View File

@@ -70,8 +70,6 @@ public:
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnPaint(wxPaintEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
@@ -191,4 +189,3 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
wxMessageBox(msg, "About Minimal", wxOK | wxICON_INFORMATION, this);
}

View File

@@ -69,6 +69,11 @@ bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
// display characterstics
// ----------------------------------------------------------------------------
void *wxGetDisplay()
{
return gdk_display;
}
void wxDisplaySize( int *width, int *height )
{
if (width) *width = gdk_screen_width();

View File

@@ -69,6 +69,11 @@ bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
// display characterstics
// ----------------------------------------------------------------------------
void *wxGetDisplay()
{
return gdk_display;
}
void wxDisplaySize( int *width, int *height )
{
if (width) *width = gdk_screen_width();

220
src/unix/fontenum.cpp Normal file
View File

@@ -0,0 +1,220 @@
/////////////////////////////////////////////////////////////////////////////
// Name: src/unix/fontenum.cpp
// Purpose: wxFontEnumerator class for X11/GDK
// Author: Vadim Zeitlin
// Modified by:
// Created: 01.10.99
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "fontenum.h"
#endif
#include "wx/defs.h"
#include "wx/dynarray.h"
#include "wx/string.h"
#include "wx/utils.h"
#include "wx/fontenum.h"
#include <X11/Xlib.h>
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
// create the list of all fonts with the given spacing
static char **CreateFontList(wxChar spacing, int *nFonts);
// extract all font families from the given font list and call our
// OnFontFamily() for each of them
static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
char **fonts,
int nFonts);
// ----------------------------------------------------------------------------
// private types
// ----------------------------------------------------------------------------
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// helpers
// ----------------------------------------------------------------------------
static char **CreateFontList(wxChar spacing, int *nFonts)
{
wxString pattern;
pattern.Printf(wxT("-*-*-*-*-*-*-*-*-*-*-%c-*-*-*"), spacing);
// get the list of all fonts
return XListFonts((Display *)wxGetDisplay(), pattern, 32767, nFonts);
}
static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
char **fonts,
int nFonts)
{
// extract the list of (unique) font families
wxSortedArrayString families;
for ( int n = 0; n < nFonts; n++ )
{
char *font = fonts[n];
if ( !wxString(font).Matches("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
{
// it's not a full font name (probably an alias)
continue;
}
char *dash = strchr(font + 1, '-');
char *family = dash + 1;
dash = strchr(family, '-');
*dash = '\0'; // !NULL because Matches() above succeeded
if ( families.Index(family) == wxNOT_FOUND )
{
if ( !This->OnFontFamily(family) )
{
// stop enumerating
return FALSE;
}
families.Add(family);
}
//else: already seen
}
return TRUE;
}
// ----------------------------------------------------------------------------
// wxFontEnumerator
// ----------------------------------------------------------------------------
bool wxFontEnumerator::EnumerateFamilies(bool fixedWidthOnly)
{
int nFonts;
char **fonts;
if ( fixedWidthOnly )
{
bool cont = TRUE;
fonts = CreateFontList(wxT('m'), &nFonts);
if ( fonts )
{
cont = ProcessFamiliesFromFontList(this, fonts, nFonts);
XFreeFontNames(fonts);
}
if ( !cont )
{
return TRUE;
}
fonts = CreateFontList(wxT('c'), &nFonts);
if ( !fonts )
{
return TRUE;
}
}
else
{
fonts = CreateFontList(wxT('*'), &nFonts);
if ( !fonts )
{
wxFAIL_MSG(wxT("No fonts at all on this system?"));
return FALSE;
}
}
(void)ProcessFamiliesFromFontList(this, fonts, nFonts);
XFreeFontNames(fonts);
return TRUE;
}
bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
{
wxString pattern;
pattern.Printf(wxT("-*-%s-*-*-*-*-*-*-*-*-*-*-*-*"),
family.IsEmpty() ? wxT("*") : family.c_str());
// get the list of all fonts
int nFonts;
char **fonts = XListFonts((Display *)wxGetDisplay(), pattern,
32767, &nFonts);
if ( !fonts )
{
// unknown family?
return FALSE;
}
// extract the list of (unique) encodings
wxSortedArrayString encodings;
for ( int n = 0; n < nFonts; n++ )
{
char *font = fonts[n];
if ( !wxString(font).Matches("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
{
// it's not a full font name (probably an alias)
continue;
}
// extract the family
char *dash = strchr(font + 1, '-');
char *familyFont = dash + 1;
dash = strchr(familyFont, '-');
*dash = '\0'; // !NULL because Matches() above succeeded
if ( !family.IsEmpty() && (family != familyFont) )
{
// family doesn't match
continue;
}
// now extract the registry/encoding
char *p = dash + 1; // just after the dash after family
dash = strrchr(p, '-');
wxString registry(dash + 1);
*dash = '\0';
dash = strrchr(p, '-');
wxString encoding(dash + 1);
encoding << wxT('-') << registry;
if ( encodings.Index(encoding) == wxNOT_FOUND )
{
if ( !OnFontEncoding(familyFont, encoding) )
{
break;
}
encodings.Add(encoding);
}
//else: already had this one
}
XFreeFontNames(fonts);
return TRUE;
}