haiku/src/servers/app/DesktopSettings.cpp

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/*
* Copyright 2005-2008, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Stephan Aßmus <superstippi@gmx.de>
* Axel Dörfler, axeld@pinc-software.de
* Andrej Spielmann, <andrej.spielmann@seh.ox.ac.uk>
*/
#include "DesktopSettings.h"
#include "DesktopSettingsPrivate.h"
#include "Desktop.h"
#include "FontCache.h"
#include "FontCacheEntry.h"
#include "FontManager.h"
#include "ServerConfig.h"
#include <DefaultColors.h>
#include <ServerReadOnlyMemory.h>
#include <Directory.h>
#include <File.h>
#include <FindDirectory.h>
#include <Path.h>
DesktopSettingsPrivate::DesktopSettingsPrivate(server_read_only_memory* shared)
:
fShared(*shared)
{
// if the on-disk settings are not complete, the defaults will be kept
_SetDefaults();
_Load();
}
DesktopSettingsPrivate::~DesktopSettingsPrivate()
{
}
void
DesktopSettingsPrivate::_SetDefaults()
{
fPlainFont = *gFontManager->DefaultPlainFont();
fBoldFont = *gFontManager->DefaultBoldFont();
fFixedFont = *gFontManager->DefaultFixedFont();
fMouseMode = B_NORMAL_MOUSE;
fShowAllDraggers = true;
// init scrollbar info
fScrollBarInfo.proportional = true;
fScrollBarInfo.double_arrows = false;
fScrollBarInfo.knob = 1;
// look of the knob (R5: (0, 1, 2), 1 = default)
fScrollBarInfo.min_knob_size = 15;
// init menu info
strlcpy(fMenuInfo.f_family, fPlainFont.Family(), B_FONT_FAMILY_LENGTH);
strlcpy(fMenuInfo.f_style, fPlainFont.Style(), B_FONT_STYLE_LENGTH);
fMenuInfo.font_size = fPlainFont.Size();
fMenuInfo.background_color.set_to(216, 216, 216);
fMenuInfo.separator = 0;
// look of the separator (R5: (0, 1, 2), default 0)
fMenuInfo.click_to_open = true; // always true
fMenuInfo.triggers_always_shown = false;
fWorkspacesCount = 4;
memcpy(fShared.colors, BPrivate::kDefaultColors, sizeof(rgb_color) * kNumColors);
fFontSubpixelAntialiasing = false;
FontCacheEntry::SetDefaultRenderType(glyph_ren_native_gray8);
fHinting = true;
FontCacheEntry::SetDefaultHinting(true);
}
status_t
DesktopSettingsPrivate::_GetPath(BPath& path)
{
status_t status = find_directory(B_USER_SETTINGS_DIRECTORY, &path);
if (status < B_OK)
return status;
status = path.Append("system/app_server");
if (status < B_OK)
return status;
return create_directory(path.Path(), 0755);
}
status_t
DesktopSettingsPrivate::_Load()
{
// TODO: add support for old app_server_settings file as well
BPath basePath;
status_t status = _GetPath(basePath);
if (status < B_OK)
return status;
// read workspaces settings
BPath path(basePath);
path.Append("workspaces");
BFile file;
status = file.SetTo(path.Path(), B_READ_ONLY);
if (status == B_OK) {
BMessage settings;
status = settings.Unflatten(&file);
if (status == B_OK) {
int32 count;
if (settings.FindInt32("count", &count) == B_OK) {
fWorkspacesCount = count;
if (fWorkspacesCount < 1 || fWorkspacesCount > 32)
fWorkspacesCount = 4;
}
int32 i = 0;
while (i < kMaxWorkspaces
&& settings.FindMessage("workspace", i, &fWorkspaceMessages[i]) == B_OK) {
i++;
}
}
}
// read font settings
path = basePath;
path.Append("fonts");
status = file.SetTo(path.Path(), B_READ_ONLY);
if (status == B_OK) {
BMessage settings;
status = settings.Unflatten(&file);
if (status == B_OK && gFontManager->Lock()) {
const char* family;
const char* style;
float size;
bool subpix;
bool hinting;
if (settings.FindString("plain family", &family) == B_OK
&& settings.FindString("plain style", &style) == B_OK
&& settings.FindFloat("plain size", &size) == B_OK) {
FontStyle* fontStyle = gFontManager->GetStyle(family, style);
fPlainFont.SetStyle(fontStyle);
fPlainFont.SetSize(size);
}
if (settings.FindString("bold family", &family) == B_OK
&& settings.FindString("bold style", &style) == B_OK
&& settings.FindFloat("bold size", &size) == B_OK) {
FontStyle* fontStyle = gFontManager->GetStyle(family, style);
fBoldFont.SetStyle(fontStyle);
fBoldFont.SetSize(size);
}
if (settings.FindString("fixed family", &family) == B_OK
&& settings.FindString("fixed style", &style) == B_OK
&& settings.FindFloat("fixed size", &size) == B_OK) {
FontStyle* fontStyle = gFontManager->GetStyle(family, style);
if (fontStyle->IsFixedWidth())
fFixedFont.SetStyle(fontStyle);
fFixedFont.SetSize(size);
}
if (settings.FindBool("font subpix", &subpix) == B_OK) {
fFontSubpixelAntialiasing = subpix;
FontCacheEntry::SetDefaultRenderType(
(subpix) ? glyph_ren_subpix : glyph_ren_native_gray8);
}
if (settings.FindBool("hinting", &hinting) == B_OK) {
fHinting = hinting;
FontCacheEntry::SetDefaultHinting(fHinting);
}
gFontManager->Unlock();
}
}
// read mouse settings
path = basePath;
path.Append("mouse");
status = file.SetTo(path.Path(), B_READ_ONLY);
if (status == B_OK) {
BMessage settings;
status = settings.Unflatten(&file);
if (status == B_OK) {
int32 mode;
if (settings.FindInt32("mode", &mode) == B_OK) {
fMouseMode = (mode_mouse)mode;
}
}
}
// read appearance settings
path = basePath;
path.Append("appearance");
status = file.SetTo(path.Path(), B_READ_ONLY);
if (status == B_OK) {
BMessage settings;
status = settings.Unflatten(&file);
if (status == B_OK) {
float fontSize;
if (settings.FindFloat("font size", &fontSize) == B_OK)
fMenuInfo.font_size = fontSize;
const char* fontFamily;
if (settings.FindString("font family", &fontFamily) == B_OK)
strlcpy(fMenuInfo.f_family, fontFamily, B_FONT_FAMILY_LENGTH);
const char* fontStyle;
if (settings.FindString("font style", &fontStyle) == B_OK)
strlcpy(fMenuInfo.f_style, fontStyle, B_FONT_STYLE_LENGTH);
rgb_color bgColor;
if (settings.FindInt32("bg color", (int32*)&bgColor) == B_OK)
fMenuInfo.background_color = bgColor;
int32 separator;
if (settings.FindInt32("separator", &separator) == B_OK)
fMenuInfo.separator = separator;
bool clickToOpen;
if (settings.FindBool("click to open", &clickToOpen) == B_OK)
fMenuInfo.click_to_open = clickToOpen;
bool triggersAlwaysShown;
if (settings.FindBool("triggers always shown", &triggersAlwaysShown) == B_OK)
fMenuInfo.triggers_always_shown = triggersAlwaysShown;
for (int32 i = 0; i < kNumColors; i++) {
char colorName[12];
snprintf(colorName, sizeof(colorName), "color%ld",
(int32)index_to_color_which(i));
settings.FindInt32(colorName, (int32*)&fShared.colors[i]);
}
}
}
return B_OK;
}
status_t
DesktopSettingsPrivate::Save(uint32 mask)
{
BPath basePath;
status_t status = _GetPath(basePath);
if (status < B_OK)
return status;
if (mask & kWorkspacesSettings) {
BPath path(basePath);
if (path.Append("workspaces") == B_OK) {
BMessage settings('asws');
settings.AddInt32("count", fWorkspacesCount);
for (int32 i = 0; i < kMaxWorkspaces; i++) {
settings.AddMessage("workspace", &fWorkspaceMessages[i]);
}
BFile file;
status = file.SetTo(path.Path(), B_CREATE_FILE | B_ERASE_FILE | B_READ_WRITE);
if (status == B_OK) {
status = settings.Flatten(&file, NULL);
}
}
}
if (mask & kFontSettings) {
BPath path(basePath);
if (path.Append("fonts") == B_OK) {
BMessage settings('asfn');
settings.AddString("plain family", fPlainFont.Family());
settings.AddString("plain style", fPlainFont.Style());
settings.AddFloat("plain size", fPlainFont.Size());
settings.AddString("bold family", fBoldFont.Family());
settings.AddString("bold style", fBoldFont.Style());
settings.AddFloat("bold size", fBoldFont.Size());
settings.AddString("fixed family", fFixedFont.Family());
settings.AddString("fixed style", fFixedFont.Style());
settings.AddFloat("fixed size", fFixedFont.Size());
settings.AddBool("font subpix",fFontSubpixelAntialiasing);
settings.AddBool("hinting",fHinting);
BFile file;
status = file.SetTo(path.Path(), B_CREATE_FILE | B_ERASE_FILE | B_READ_WRITE);
if (status == B_OK) {
status = settings.Flatten(&file, NULL);
}
}
}
if (mask & kMouseSettings) {
BPath path(basePath);
if (path.Append("mouse") == B_OK) {
BMessage settings('asms');
settings.AddInt32("mode", (int32)fMouseMode);
BFile file;
status = file.SetTo(path.Path(), B_CREATE_FILE | B_ERASE_FILE | B_READ_WRITE);
if (status == B_OK) {
status = settings.Flatten(&file, NULL);
}
}
}
if (mask & kDraggerSettings) {
BPath path(basePath);
if (path.Append("dragger") == B_OK) {
BMessage settings('asdg');
settings.AddBool("show", fShowAllDraggers);
BFile file;
status = file.SetTo(path.Path(), B_CREATE_FILE | B_ERASE_FILE | B_READ_WRITE);
if (status == B_OK) {
status = settings.Flatten(&file, NULL);
}
}
}
if (mask & kAppearanceSettings) {
BPath path(basePath);
if (path.Append("appearance") == B_OK) {
BMessage settings('aslk');
settings.AddFloat("font size", fMenuInfo.font_size);
settings.AddString("font family", fMenuInfo.f_family);
settings.AddString("font style", fMenuInfo.f_style);
settings.AddInt32("bg color", (const int32&)fMenuInfo.background_color);
settings.AddInt32("separator", fMenuInfo.separator);
settings.AddBool("click to open", fMenuInfo.click_to_open);
settings.AddBool("triggers always shown", fMenuInfo.triggers_always_shown);
for (int32 i = 0; i < kNumColors; i++) {
char colorName[12];
snprintf(colorName, sizeof(colorName), "color%ld",
(int32)index_to_color_which(i));
settings.AddInt32(colorName, (const int32&)fShared.colors[i]);
}
BFile file;
status = file.SetTo(path.Path(), B_CREATE_FILE | B_ERASE_FILE | B_READ_WRITE);
if (status == B_OK) {
status = settings.Flatten(&file, NULL);
}
}
}
return status;
}
void
DesktopSettingsPrivate::SetDefaultPlainFont(const ServerFont &font)
{
fPlainFont = font;
Save(kFontSettings);
}
const ServerFont &
DesktopSettingsPrivate::DefaultPlainFont() const
{
return fPlainFont;
}
void
DesktopSettingsPrivate::SetDefaultBoldFont(const ServerFont &font)
{
fBoldFont = font;
Save(kFontSettings);
}
const ServerFont &
DesktopSettingsPrivate::DefaultBoldFont() const
{
return fBoldFont;
}
void
DesktopSettingsPrivate::SetDefaultFixedFont(const ServerFont &font)
{
fFixedFont = font;
Save(kFontSettings);
}
const ServerFont &
DesktopSettingsPrivate::DefaultFixedFont() const
{
return fFixedFont;
}
void
DesktopSettingsPrivate::SetScrollBarInfo(const scroll_bar_info& info)
{
fScrollBarInfo = info;
Save(kAppearanceSettings);
}
const scroll_bar_info&
DesktopSettingsPrivate::ScrollBarInfo() const
{
return fScrollBarInfo;
}
void
DesktopSettingsPrivate::SetMenuInfo(const menu_info& info)
{
fMenuInfo = info;
// Also update the ui_color
SetUIColor(B_MENU_BACKGROUND_COLOR, info.background_color);
// SetUIColor already saves the settings
}
const menu_info&
DesktopSettingsPrivate::MenuInfo() const
{
return fMenuInfo;
}
void
DesktopSettingsPrivate::SetMouseMode(const mode_mouse mode)
{
fMouseMode = mode;
Save(kMouseSettings);
}
mode_mouse
DesktopSettingsPrivate::MouseMode() const
{
return fMouseMode;
}
bool
DesktopSettingsPrivate::FocusFollowsMouse() const
{
return MouseMode() != B_NORMAL_MOUSE;
}
void
DesktopSettingsPrivate::SetShowAllDraggers(bool show)
{
fShowAllDraggers = show;
Save(kDraggerSettings);
}
bool
DesktopSettingsPrivate::ShowAllDraggers() const
{
return fShowAllDraggers;
}
void
DesktopSettingsPrivate::SetWorkspacesCount(int32 number)
{
if (number < 1)
number = 1;
else if (number > kMaxWorkspaces)
number = kMaxWorkspaces;
fWorkspacesCount = number;
}
int32
DesktopSettingsPrivate::WorkspacesCount() const
{
return fWorkspacesCount;
}
void
DesktopSettingsPrivate::SetWorkspacesMessage(int32 index, BMessage& message)
{
if (index < 0 || index > kMaxWorkspaces)
return;
fWorkspaceMessages[index] = message;
}
const BMessage*
DesktopSettingsPrivate::WorkspacesMessage(int32 index) const
{
if (index < 0 || index > kMaxWorkspaces)
return NULL;
return &fWorkspaceMessages[index];
}
void
DesktopSettingsPrivate::SetUIColor(color_which which, const rgb_color color)
{
//
int32 index = color_which_to_index(which);
if (index < 0 || index >= kNumColors)
return;
fShared.colors[index] = color;
// TODO: deprecate the background_color member of the menu_info struct,
// otherwise we have to keep this duplication...
if (which == B_MENU_BACKGROUND_COLOR)
fMenuInfo.background_color = color;
Save(kAppearanceSettings);
}
rgb_color
DesktopSettingsPrivate::UIColor(color_which which) const
{
static const rgb_color invalidColor = {0, 0, 0, 0};
int32 index = color_which_to_index(which);
if (index < 0 || index >= kNumColors)
return invalidColor;
return fShared.colors[index];
}
void
DesktopSettingsPrivate::SetFontSubpixelAntialiasing(bool subpix)
{
if (fFontSubpixelAntialiasing != subpix) {
fFontSubpixelAntialiasing = subpix;
FontCacheEntry::SetDefaultRenderType(
(subpix)?glyph_ren_subpix:glyph_ren_native_gray8);
Save(kFontSettings);
}
}
bool
DesktopSettingsPrivate::FontSubpixelAntialiasing() const
{
return fFontSubpixelAntialiasing;
}
void
DesktopSettingsPrivate::SetHinting(bool hinting)
{
if (fHinting != hinting) {
fHinting = hinting;
FontCacheEntry::SetDefaultHinting(hinting);
Save(kFontSettings);
}
}
bool
DesktopSettingsPrivate::Hinting() const
{
return fHinting;
}
// #pragma mark - read access
DesktopSettings::DesktopSettings(Desktop* desktop)
:
fSettings(desktop->fSettings)
{
#if DEBUG
if (!desktop->fWindowLock.IsWriteLocked()
&& !desktop->fWindowLock.IsReadLocked())
debugger("desktop not locked when trying to access settings");
#endif
}
void
DesktopSettings::GetDefaultPlainFont(ServerFont &font) const
{
font = fSettings->DefaultPlainFont();
}
void
DesktopSettings::GetDefaultBoldFont(ServerFont &font) const
{
font = fSettings->DefaultBoldFont();
}
void
DesktopSettings::GetDefaultFixedFont(ServerFont &font) const
{
font = fSettings->DefaultFixedFont();
}
void
DesktopSettings::GetScrollBarInfo(scroll_bar_info& info) const
{
info = fSettings->ScrollBarInfo();
}
void
DesktopSettings::GetMenuInfo(menu_info& info) const
{
info = fSettings->MenuInfo();
}
mode_mouse
DesktopSettings::MouseMode() const
{
return fSettings->MouseMode();
}
bool
DesktopSettings::FocusFollowsMouse() const
{
return fSettings->FocusFollowsMouse();
}
bool
DesktopSettings::ShowAllDraggers() const
{
return fSettings->ShowAllDraggers();
}
int32
DesktopSettings::WorkspacesCount() const
{
return fSettings->WorkspacesCount();
}
const BMessage*
DesktopSettings::WorkspacesMessage(int32 index) const
{
return fSettings->WorkspacesMessage(index);
}
rgb_color
DesktopSettings::UIColor(color_which which) const
{
return fSettings->UIColor(which);
}
bool
DesktopSettings::FontSubpixelAntialiasing() const
{
return fSettings->FontSubpixelAntialiasing();
}
bool
DesktopSettings::Hinting() const
{
return fSettings->Hinting();
}
// #pragma mark - write access
LockedDesktopSettings::LockedDesktopSettings(Desktop* desktop)
: DesktopSettings(desktop),
fDesktop(desktop)
{
#if DEBUG
if (desktop->fWindowLock.IsReadLocked())
debugger("desktop read locked when trying to change settings");
#endif
fDesktop->LockAllWindows();
}
LockedDesktopSettings::~LockedDesktopSettings()
{
fDesktop->UnlockAllWindows();
}
void
LockedDesktopSettings::SetDefaultPlainFont(const ServerFont &font)
{
fSettings->SetDefaultPlainFont(font);
}
void
LockedDesktopSettings::SetDefaultBoldFont(const ServerFont &font)
{
fSettings->SetDefaultBoldFont(font);
}
void
LockedDesktopSettings::SetDefaultFixedFont(const ServerFont &font)
{
fSettings->SetDefaultFixedFont(font);
}
void
LockedDesktopSettings::SetScrollBarInfo(const scroll_bar_info& info)
{
fSettings->SetScrollBarInfo(info);
}
void
LockedDesktopSettings::SetMenuInfo(const menu_info& info)
{
fSettings->SetMenuInfo(info);
}
void
LockedDesktopSettings::SetMouseMode(const mode_mouse mode)
{
fSettings->SetMouseMode(mode);
}
void
LockedDesktopSettings::SetShowAllDraggers(bool show)
{
fSettings->SetShowAllDraggers(show);
}
void
LockedDesktopSettings::SetUIColor(color_which which, const rgb_color color)
{
fSettings->SetUIColor(which, color);
}
void
LockedDesktopSettings::SetFontSubpixelAntialiasing(bool subpix)
{
fSettings->SetFontSubpixelAntialiasing(subpix);
}
void
LockedDesktopSettings::SetHinting(bool hinting)
{
fSettings->SetHinting(hinting);
}