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Add FormSpec font styling options (#9763) 

* Add FormSpec font styling options

* Change multiplication to stof

* Remove extraneous check
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v-rob 2020-07-12 00:48:50 -07:00 committed by GitHub
parent 1dd6c8ed7f
commit 2bec83eec0
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7 changed files with 105 additions and 11 deletions
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18
doc/lua_api.txt
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@ -2747,6 +2747,18 @@ Some types may inherit styles from parent types.
button's content when set.
* bgimg_pressed - background image when pressed. Defaults to bgimg when not provided.
* This is deprecated, use states instead.
* font - Sets font type. This is a comma separated list of options. Valid options:
* Main font type options. These cannot be combined with each other:
* `normal`: Default font
* `mono`: Monospaced font
* Font modification options. If used without a main font type, `normal` is used:
* `bold`: Makes font bold.
* `italic`: Makes font italic.
Default `normal`.
* font_size - Sets font size. Default is user-set. Can have multiple values:
* `<number>`: Sets absolute font size to `number`.
* `+<number>`/`-<number>`: Offsets default font size by `number` points.
* `*<number>`: Multiplies default font size by `number`, similar to CSS `em`.
* border - boolean, draw border. Set to false to hide the bevelled button pane. Default true.
* content_offset - 2d vector, shifts the position of the button's content without resizing it.
* noclip - boolean, set to true to allow the element to exceed formspec bounds.
@ -2758,11 +2770,15 @@ Some types may inherit styles from parent types.
* scrollbar
* noclip - boolean, set to true to allow the element to exceed formspec bounds.
* table, textlist
* font - Sets font type. See button `font` property for more information.
* font_size - Sets font size. See button `font_size` property for more information.
* noclip - boolean, set to true to allow the element to exceed formspec bounds.
* dropdown
* noclip - boolean, set to true to allow the element to exceed formspec bounds.
* field, pwdfield, textarea
* border - set to false to hide the textbox background and border. Default true.
* font - Sets font type. See button `font` property for more information.
* font_size - Sets font size. See button `font_size` property for more information.
* noclip - boolean, set to true to allow the element to exceed formspec bounds.
* textcolor - color. Default white.
* image
@ -2771,6 +2787,8 @@ Some types may inherit styles from parent types.
* item_image
* noclip - boolean, set to true to allow the element to exceed formspec bounds. Default to false.
* label, vertlabel
* font - Sets font type. See button `font` property for more information.
* font_size - Sets font size. See button `font_size` property for more information.
* noclip - boolean, set to true to allow the element to exceed formspec bounds.
* image_button (additional properties)
* fgimg - standard image. Defaults to none.

15
src/client/fontengine.cpp
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@ -186,6 +186,21 @@ unsigned int FontEngine::getDefaultFontSize()
return m_default_size[m_currentMode];
}
unsigned int FontEngine::getFontSize(FontMode mode)
{
if (m_currentMode == FM_Simple) {
if (mode == FM_Mono || mode == FM_SimpleMono)
return m_default_size[FM_SimpleMono];
else
return m_default_size[FM_Simple];
}
if (mode == FM_Unspecified)
return m_default_size[FM_Standard];
return m_default_size[mode];
}
/******************************************************************************/
void FontEngine::readSettings()
{

3
src/client/fontengine.h
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@ -124,6 +124,9 @@ public:
/** get default font size */
unsigned int getDefaultFontSize();
/** get font size for a specific mode */
unsigned int getFontSize(FontMode mode);
/** initialize font engine */
void initialize(Settings* main_settings, gui::IGUIEnvironment* env);

49
src/gui/StyleSpec.h
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@ -18,9 +18,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
#include "client/tile.h" // ITextureSource
#include "client/fontengine.h"
#include "debug.h"
#include "irrlichttypes_extrabloated.h"
#include "util/string.h"
#include <algorithm>
#include <array>
#pragma once
@ -46,6 +48,8 @@ public:
ALPHA,
CONTENT_OFFSET,
PADDING,
FONT,
FONT_SIZE,
NUM_PROPERTIES,
NONE
};
@ -98,6 +102,10 @@ public:
return CONTENT_OFFSET;
} else if (name == "padding") {
return PADDING;
} else if (name == "font") {
return FONT;
} else if (name == "font_size") {
return FONT_SIZE;
} else {
return NONE;
}
@ -225,6 +233,47 @@ public:
return vec;
}
gui::IGUIFont *getFont() const
{
FontSpec spec(FONT_SIZE_UNSPECIFIED, FM_Standard, false, false);
const std::string &font = properties[FONT];
const std::string &size = properties[FONT_SIZE];
if (font.empty() && size.empty())
return nullptr;
std::vector<std::string> modes = split(font, ',');
for (size_t i = 0; i < modes.size(); i++) {
if (modes[i] == "normal")
spec.mode = FM_Standard;
else if (modes[i] == "mono")
spec.mode = FM_Mono;
else if (modes[i] == "bold")
spec.bold = true;
else if (modes[i] == "italic")
spec.italic = true;
}
if (!size.empty()) {
int calc_size = 1;
if (size[0] == '*') {
std::string new_size = size.substr(1); // Remove '*' (invalid for stof)
calc_size = stof(new_size) * g_fontengine->getFontSize(spec.mode);
} else if (size[0] == '+' || size[0] == '-') {
calc_size = stoi(size) + g_fontengine->getFontSize(spec.mode);
} else {
calc_size = stoi(size);
}
spec.size = (unsigned)std::min(std::max(calc_size, 1), 999);
}
return g_fontengine->getFont(spec);
}
video::ITexture *getTexture(Property prop, ISimpleTextureSource *tsrc,
video::ITexture *def) const
{

1
src/gui/guiButton.cpp
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@ -788,6 +788,7 @@ void GUIButton::setFromStyle(const StyleSpec& style)
setNotClipped(style.getBool(StyleSpec::NOCLIP, false));
setDrawBorder(style.getBool(StyleSpec::BORDER, true));
setUseAlphaChannel(style.getBool(StyleSpec::ALPHA, true));
setOverrideFont(style.getFont());
if (style.isNotDefault(StyleSpec::BGIMG)) {
video::ITexture *texture = style.getTexture(StyleSpec::BGIMG,

28
src/gui/guiFormSpecMenu.cpp
View File

@ -24,8 +24,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <limits>
#include <sstream>
#include "guiFormSpecMenu.h"
#include "guiScrollBar.h"
#include "guiTable.h"
#include "constants.h"
#include "gamedef.h"
#include "client/keycode.h"
@ -64,9 +62,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "guiEditBoxWithScrollbar.h"
#include "guiInventoryList.h"
#include "guiItemImage.h"
#include "guiScrollBar.h"
#include "guiScrollContainer.h"
#include "guiTable.h"
#include "intlGUIEditBox.h"
#include "guiHyperText.h"
@ -1482,6 +1478,7 @@ void GUIFormSpecMenu::parsePwdField(parserData* data, const std::string &element
e->setNotClipped(style.getBool(StyleSpec::NOCLIP, false));
e->setDrawBorder(style.getBool(StyleSpec::BORDER, true));
e->setOverrideColor(style.getColor(StyleSpec::TEXTCOLOR, video::SColor(0xFFFFFFFF)));
e->setOverrideFont(style.getFont());
irr::SEvent evt;
evt.EventType = EET_KEY_INPUT_EVENT;
@ -1565,6 +1562,7 @@ void GUIFormSpecMenu::createTextField(parserData *data, FieldSpec &spec,
if (style.get(StyleSpec::BGCOLOR, "") == "transparent") {
e->setDrawBackground(false);
}
e->setOverrideFont(style.getFont());
e->drop();
}
@ -1778,6 +1776,11 @@ void GUIFormSpecMenu::parseLabel(parserData* data, const std::string &element)
std::vector<std::string> lines = split(text, '\n');
auto style = getDefaultStyleForElement("label", "");
gui::IGUIFont *font = style.getFont();
if (!font)
font = m_font;
for (unsigned int i = 0; i != lines.size(); i++) {
std::wstring wlabel_colors = translate_string(
utf8_to_wide(unescape_string(lines[i])));
@ -1799,7 +1802,7 @@ void GUIFormSpecMenu::parseLabel(parserData* data, const std::string &element)
rect = core::rect<s32>(
pos.X, pos.Y,
pos.X + m_font->getDimension(wlabel_plain.c_str()).Width,
pos.X + font->getDimension(wlabel_plain.c_str()).Width,
pos.Y + imgsize.Y);
} else {
@ -1821,7 +1824,7 @@ void GUIFormSpecMenu::parseLabel(parserData* data, const std::string &element)
rect = core::rect<s32>(
pos.X, pos.Y - m_btn_height,
pos.X + m_font->getDimension(wlabel_plain.c_str()).Width,
pos.X + font->getDimension(wlabel_plain.c_str()).Width,
pos.Y + m_btn_height);
}
@ -1837,9 +1840,9 @@ void GUIFormSpecMenu::parseLabel(parserData* data, const std::string &element)
spec.fid);
e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_CENTER);
auto style = getDefaultStyleForElement("label", spec.fname);
e->setNotClipped(style.getBool(StyleSpec::NOCLIP, false));
e->setOverrideColor(style.getColor(StyleSpec::TEXTCOLOR, video::SColor(0xFFFFFFFF)));
e->setOverrideFont(font);
m_fields.push_back(spec);
@ -1867,6 +1870,11 @@ void GUIFormSpecMenu::parseVertLabel(parserData* data, const std::string &elemen
MY_CHECKPOS("vertlabel",1);
auto style = getDefaultStyleForElement("vertlabel", "", "label");
gui::IGUIFont *font = style.getFont();
if (!font)
font = m_font;
v2s32 pos;
core::rect<s32> rect;
@ -1880,7 +1888,7 @@ void GUIFormSpecMenu::parseVertLabel(parserData* data, const std::string &elemen
// isn't quite tall enough and cuts off the text.
rect = core::rect<s32>(pos.X, pos.Y,
pos.X + imgsize.X,
pos.Y + font_line_height(m_font) *
pos.Y + font_line_height(font) *
(text.length() + 1));
} else {
@ -1892,7 +1900,7 @@ void GUIFormSpecMenu::parseVertLabel(parserData* data, const std::string &elemen
rect = core::rect<s32>(
pos.X, pos.Y+((imgsize.Y/2) - m_btn_height),
pos.X+15, pos.Y +
font_line_height(m_font) *
font_line_height(font) *
(text.length() + 1) +
((imgsize.Y/2) - m_btn_height));
}
@ -1917,9 +1925,9 @@ void GUIFormSpecMenu::parseVertLabel(parserData* data, const std::string &elemen
rect, false, false, data->current_parent, spec.fid);
e->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
auto style = getDefaultStyleForElement("vertlabel", spec.fname, "label");
e->setNotClipped(style.getBool(StyleSpec::NOCLIP, false));
e->setOverrideColor(style.getColor(StyleSpec::TEXTCOLOR, video::SColor(0xFFFFFFFF)));
e->setOverrideFont(font);
m_fields.push_back(spec);

2
src/gui/guiFormSpecMenu.h
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@ -27,6 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "inventorymanager.h"
#include "modalMenu.h"
#include "guiInventoryList.h"
#include "guiScrollBar.h"
#include "guiTable.h"
#include "network/networkprotocol.h"
#include "client/joystick_controller.h"
@ -37,7 +38,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
class InventoryManager;
class ISimpleTextureSource;
class Client;
class GUIScrollBar;
class TexturePool;
class GUIScrollContainer;