static void
set_fade (AboutRenderer *r, AboutState *state, double f)
{
GtkStyleContext *ctxt = gtk_widget_get_style_context (state->anim_area);
PangoAttrList *attrlist = pango_layout_get_attributes (r->layout);
GdkRGBA col, bg, fg;
PangoAttribute *attr;
gtk_style_context_get_color (ctxt, GTK_STATE_FLAG_NORMAL, &fg);
gtk_style_context_get_background_color (ctxt, GTK_STATE_FLAG_NORMAL, &bg);
col = blend_colors (&bg, &fg, f);
attr = pango_attr_foreground_new
(col.red * 65535., col.green * 65535., col.blue * 65535.);
pango_attr_list_change (attrlist, attr);
pango_layout_set_attributes (r->layout, attrlist);
}
// _UpdateColors
void
AlphaSlider::_UpdateColors()
{
if (!fBitmap || !fBitmap->IsValid())
return;
// fill in top row with alpha gradient
uint8* topRow = (uint8*)fBitmap->Bits();
uint32 width = fBitmap->Bounds().IntegerWidth() + 1;
uint8* p = topRow;
rgb_color color = fColor;
if (!IsEnabled()) {
// blend low color and color to give disabled look
rgb_color bg = LowColor();
color.red = (uint8)(((uint32)bg.red + color.red) / 2);
color.green = (uint8)(((uint32)bg.green + color.green) / 2);
color.blue = (uint8)(((uint32)bg.blue + color.blue) / 2);
}
for (uint32 x = 0; x < width; x++) {
p[0] = color.blue;
p[1] = color.green;
p[2] = color.red;
p[3] = x * 255 / width;
p += 4;
}
// copy top row to rest of bitmap
uint32 height = fBitmap->Bounds().IntegerHeight() + 1;
uint32 bpr = fBitmap->BytesPerRow();
uint8* dstRow = topRow + bpr;
for (uint32 i = 1; i < height; i++) {
memcpy(dstRow, topRow, bpr);
dstRow += bpr;
}
// post process bitmap to underlay it with a pattern to visualize alpha
uint8* row = topRow;
for (uint32 i = 0; i < height; i++) {
uint8* p = row;
for (uint32 x = 0; x < width; x++) {
uint8 alpha = p[3];
if (alpha < 255) {
p[3] = 255;
alpha = 255 - alpha;
if (x % 8 >= 4) {
if (i % 8 >= 4) {
blend_colors(p, alpha,
kAlphaLow.blue,
kAlphaLow.green,
kAlphaLow.red);
} else {
blend_colors(p, alpha,
kAlphaHigh.blue,
kAlphaHigh.green,
kAlphaHigh.red);
}
} else {
if (i % 8 >= 4) {
blend_colors(p, alpha,
kAlphaHigh.blue,
kAlphaHigh.green,
kAlphaHigh.red);
} else {
blend_colors(p, alpha,
kAlphaLow.blue,
kAlphaLow.green,
kAlphaLow.red);
}
}
}
p += 4;
}
row += bpr;
}
}
static void _UpdateUIStyle(RimeConfig* config, weasel::UI* ui, bool initialize)
{
if (!ui) return;
weasel::UIStyle &style(ui->style());
const int BUF_SIZE = 99;
char buffer[BUF_SIZE + 1];
memset(buffer, '\0', sizeof(buffer));
if (RimeConfigGetString(config, "style/font_face", buffer, BUF_SIZE))
{
style.font_face = utf8towcs(buffer);
}
RimeConfigGetInt(config, "style/font_point", &style.font_point);
Bool inline_preedit = False;
if (RimeConfigGetBool(config, "style/inline_preedit", &inline_preedit) || initialize)
{
style.inline_preedit = !!inline_preedit;
}
char preedit_type[20] = { 0 };
if (RimeConfigGetString(config, "style/preedit_type", preedit_type, sizeof(preedit_type) - 1))
{
if (!std::strcmp(preedit_type, "composition"))
style.preedit_type = weasel::UIStyle::COMPOSITION;
else if (!std::strcmp(preedit_type, "preview"))
style.preedit_type = weasel::UIStyle::PREVIEW;
}
Bool display_tray_icon = False;
if (RimeConfigGetBool(config, "style/display_tray_icon", &display_tray_icon) || initialize)
{
style.display_tray_icon = !!display_tray_icon;
}
Bool horizontal = False;
if (RimeConfigGetBool(config, "style/horizontal", &horizontal) || initialize)
{
style.layout_type = horizontal ? weasel::UIStyle::LAYOUT_HORIZONTAL : weasel::UIStyle::LAYOUT_VERTICAL;
}
Bool fullscreen = False;
if (RimeConfigGetBool(config, "style/fullscreen", &fullscreen) && fullscreen)
{
style.layout_type = (style.layout_type == weasel::UIStyle::LAYOUT_HORIZONTAL)
? weasel::UIStyle::LAYOUT_HORIZONTAL_FULLSCREEN : weasel::UIStyle::LAYOUT_VERTICAL_FULLSCREEN;
}
char label_text_format[128] = { 0 };
if (RimeConfigGetString(config, "style/label_format", label_text_format, sizeof(label_text_format) - 1))
{
style.label_text_format = utf8towcs(label_text_format);
}
// layout (alternative to style/horizontal)
char layout_type[256] = {0};
if (RimeConfigGetString(config, "style/layout/type", layout_type, sizeof(layout_type) - 1))
{
if (!std::strcmp(layout_type, "vertical"))
style.layout_type = weasel::UIStyle::LAYOUT_VERTICAL;
else if (!std::strcmp(layout_type, "horizontal"))
style.layout_type = weasel::UIStyle::LAYOUT_HORIZONTAL;
if (!std::strcmp(layout_type, "vertical+fullscreen"))
style.layout_type = weasel::UIStyle::LAYOUT_VERTICAL_FULLSCREEN;
else if (!std::strcmp(layout_type, "horizontal+fullscreen"))
style.layout_type = weasel::UIStyle::LAYOUT_HORIZONTAL_FULLSCREEN;
else
LOG(WARNING) << "Invalid style type: " << layout_type;
}
RimeConfigGetInt(config, "style/layout/min_width", &style.min_width);
RimeConfigGetInt(config, "style/layout/min_height", &style.min_height);
if (!RimeConfigGetInt(config, "style/layout/border", &style.border)) {
RimeConfigGetInt(config, "style/layout/border_width", &style.border);
}
RimeConfigGetInt(config, "style/layout/margin_x", &style.margin_x);
RimeConfigGetInt(config, "style/layout/margin_y", &style.margin_y);
RimeConfigGetInt(config, "style/layout/spacing", &style.spacing);
RimeConfigGetInt(config, "style/layout/candidate_spacing", &style.candidate_spacing);
RimeConfigGetInt(config, "style/layout/hilite_spacing", &style.hilite_spacing);
RimeConfigGetInt(config, "style/layout/hilite_padding", &style.hilite_padding);
RimeConfigGetInt(config, "style/layout/round_corner", &style.round_corner);
// color scheme
if (initialize && RimeConfigGetString(config, "style/color_scheme", buffer, BUF_SIZE))
{
std::string prefix("preset_color_schemes/");
prefix += buffer;
RimeConfigGetInt(config, (prefix + "/text_color").c_str(), &style.text_color);
if (!RimeConfigGetInt(config, (prefix + "/candidate_text_color").c_str(), &style.candidate_text_color))
{
style.candidate_text_color = style.text_color;
}
RimeConfigGetInt(config, (prefix + "/back_color").c_str(), &style.back_color);
if (!RimeConfigGetInt(config, (prefix + "/border_color").c_str(), &style.border_color))
{
style.border_color = style.text_color;
}
if (!RimeConfigGetInt(config, (prefix + "/hilited_text_color").c_str(), &style.hilited_text_color))
{
style.hilited_text_color = style.text_color;
}
if (!RimeConfigGetInt(config, (prefix + "/hilited_back_color").c_str(), &style.hilited_back_color))
{
style.hilited_back_color = style.back_color;
}
if (!RimeConfigGetInt(config, (prefix + "/hilited_candidate_text_color").c_str(), &style.hilited_candidate_text_color))
{
style.hilited_candidate_text_color = style.hilited_text_color;
}
if (!RimeConfigGetInt(config, (prefix + "/hilited_candidate_back_color").c_str(), &style.hilited_candidate_back_color))
{
style.hilited_candidate_back_color = style.hilited_back_color;
}
if (!RimeConfigGetInt(config, (prefix + "/label_color").c_str(), &style.label_text_color))
{
style.label_text_color = blend_colors(style.candidate_text_color, style.back_color);
}
if (!RimeConfigGetInt(config, (prefix + "/hilited_label_color").c_str(), &style.hilited_label_text_color))
{
style.hilited_label_text_color = blend_colors(style.hilited_candidate_text_color, style.hilited_candidate_back_color);
}
style.comment_text_color = style.label_text_color;
style.hilited_comment_text_color = style.hilited_label_text_color;
if (RimeConfigGetInt(config, (prefix + "/comment_text_color").c_str(), &style.comment_text_color))
{
style.hilited_comment_text_color = style.comment_text_color;
}
RimeConfigGetInt(config, (prefix + "/hilited_comment_text_color").c_str(), &style.hilited_comment_text_color);
}
}