Document side elements; hover outline

12 files changed, 320 insertions, 51 deletions

diff --git a/src/app.c b/src/app.c
index 27ddbb26..81fe67af 100644
--- a/src/app.c
+++ b/src/app.c
@@ -165,6 +165,7 @@ static iString *serializePrefs_App_(const iApp *d) {
     }
     appendFormat_String(str, "sidebar.mode arg:%d\n", mode_SidebarWidget(sidebar));
     appendFormat_String(str, "uiscale arg:%f\n", uiScale_Window(d->window));
+    appendFormat_String(str, "font.set arg:%d\n", d->prefs.font);
     appendFormat_String(str, "zoom.set arg:%d\n", d->prefs.zoomPercent);
     appendFormat_String(str, "linewidth.set arg:%d\n", d->prefs.lineWidth);
     appendFormat_String(str, "prefs.biglede.changed arg:%d\n", d->prefs.bigFirstParagraph);
@@ -810,6 +811,14 @@ iBool handleCommand_App(const char *cmd) {
         SDL_MaximizeWindow(d->window->win);
         return iTrue;
     }
+    else if (equal_Command(cmd, "font.set")) {
+        setFreezeDraw_Window(get_Window(), iTrue);
+        d->prefs.font = arg_Command(cmd);
+        setContentFont_Text(d->prefs.font);
+        postCommand_App("font.changed");
+        postCommand_App("window.unfreeze");
+        return iTrue;
+    }
     else if (equal_Command(cmd, "zoom.set")) {
         setFreezeDraw_Window(get_Window(), iTrue); /* no intermediate draws before docs updated */
         d->prefs.zoomPercent = arg_Command(cmd);
@@ -977,6 +986,9 @@ iBool handleCommand_App(const char *cmd) {
         setToggle_Widget(findChild_Widget(dlg, "prefs.retainwindow"), d->prefs.retainWindowSize);
         setText_InputWidget(findChild_Widget(dlg, "prefs.uiscale"),
                             collectNewFormat_String("%g", uiScale_Window(d->window)));
+        setFlags_Widget(findChild_Widget(dlg, format_CStr("prefs.font.%d", d->prefs.font)),
+                        selected_WidgetFlag,
+                        iTrue);
         setFlags_Widget(
             findChild_Widget(dlg, format_CStr("prefs.linewidth.%d", d->prefs.lineWidth)),
             selected_WidgetFlag,
diff --git a/src/gmdocument.h b/src/gmdocument.h
index ec47258a..891ac6f2 100644
--- a/src/gmdocument.h
+++ b/src/gmdocument.h
@@ -118,7 +118,7 @@ iInt2           size_GmDocument             (const iGmDocument *);
 const iGmRun *  siteBanner_GmDocument       (const iGmDocument *);
 iBool           hasSiteBanner_GmDocument    (const iGmDocument *);
 const iString * bannerText_GmDocument       (const iGmDocument *);
-const iArray *  headings_GmDocument         (const iGmDocument *);
+const iArray *  headings_GmDocument         (const iGmDocument *); /* array of GmHeadings */
 const iString * source_GmDocument           (const iGmDocument *);
 
 iRangecc        findText_GmDocument         (const iGmDocument *, const iString *text, const char *start);
diff --git a/src/prefs.c b/src/prefs.c
index d773acbd..9b77b4f2 100644
--- a/src/prefs.c
+++ b/src/prefs.c
@@ -6,6 +6,7 @@ void init_Prefs(iPrefs *d) {
     d->retainWindowSize  = iTrue;
     d->zoomPercent       = 100;
     d->forceLineWrap     = iFalse;
+    d->font              = nunito_TextFont;
     d->lineWidth         = 40;
     d->bigFirstParagraph = iTrue;
     d->docThemeDark      = colorfulDark_GmDocumentTheme;
diff --git a/src/prefs.h b/src/prefs.h
index d4e300ec..42ccff85 100644
--- a/src/prefs.h
+++ b/src/prefs.h
@@ -1,8 +1,9 @@
 #pragma once
 #include <the_Foundation/string.h>
 
-#include "ui/color.h"
 #include "gmdocument.h"
+#include "ui/color.h"
+#include "ui/text.h"
 
 /* User preferences */
 
@@ -10,7 +11,7 @@ iDeclareType(Prefs)
 
 struct Impl_Prefs {
     iBool retainWindowSize;
-    float uiScale;
+    float uiScale;    
     int zoomPercent;
     iBool useSystemTheme;
     enum iColorTheme theme;
@@ -18,6 +19,7 @@ struct Impl_Prefs {
     iString httpProxy;
     iString downloadDir;
     /* Content */
+    enum iTextFont font;
     int lineWidth;
     iBool bigFirstParagraph;
     iBool forceLineWrap;
diff --git a/src/ui/documentwidget.c b/src/ui/documentwidget.c
index 351d1e62..0079465f 100644
--- a/src/ui/documentwidget.c
+++ b/src/ui/documentwidget.c
@@ -127,6 +127,18 @@ iDefineTypeConstruction(Model)
 
 /*----------------------------------------------------------------------------------------------*/
 
+iDeclareType(OutlineItem)
+
+struct Impl_OutlineItem {
+    iRangecc text;
+    int      font;
+    iRect    rect;
+    int      seenColor;
+    int      sepColor;
+};
+
+/*----------------------------------------------------------------------------------------------*/
+
 static const int smoothSpeed_DocumentWidget_ = 120; /* unit: gap_Text per second */
 
 enum iRequestState {
@@ -161,6 +173,7 @@ struct Impl_DocumentWidget {
     const iGmRun * contextLink;
     iBool          noHoverWhileScrolling;
     iBool          showLinkNumbers;
+    const iGmRun * lastVisibleRun;
     iClick         click;
     float          initNormScrollY;
     int            scrollY;
@@ -170,6 +183,8 @@ struct Impl_DocumentWidget {
     int            smoothLastOffset;
     iBool          smoothContinue;
     iAnim          sideOpacity;
+    iAnim          outlineOpacity;
+    iArray         outline;
     iWidget *      menu;
     iVisBuf *      visBuf;
     iPtrSet *      invalidRuns;
@@ -207,8 +222,10 @@ void init_DocumentWidget(iDocumentWidget *d) {
     d->contextLink      = NULL;
     d->noHoverWhileScrolling = iFalse;
     d->showLinkNumbers  = iFalse;
+    d->lastVisibleRun   = NULL;
     d->visBuf           = new_VisBuf();
     d->invalidRuns      = new_PtrSet();
+    init_Array(&d->outline, sizeof(iOutlineItem));
     init_Anim(&d->sideOpacity, 0);
     init_String(&d->sourceMime);
     init_Block(&d->sourceContent, 0);
@@ -227,6 +244,7 @@ void init_DocumentWidget(iDocumentWidget *d) {
 void deinit_DocumentWidget(iDocumentWidget *d) {
     delete_VisBuf(d->visBuf);
     delete_PtrSet(d->invalidRuns);
+    deinit_Array(&d->outline);
     iRelease(d->media);
     iRelease(d->request);
     deinit_Block(&d->sourceContent);
@@ -314,6 +332,7 @@ static iRangei visibleRange_DocumentWidget_(const iDocumentWidget *d) {
 
 static void addVisibleLink_DocumentWidget_(void *context, const iGmRun *run) {
     iDocumentWidget *d = context;
+    d->lastVisibleRun = run;
     if (run->linkId && linkFlags_GmDocument(d->doc, run->linkId) & supportedProtocol_GmLinkFlag) {
         pushBack_PtrArray(&d->visibleLinks, run);
     }
@@ -379,7 +398,7 @@ static void updateHover_DocumentWidget_(iDocumentWidget *d, iInt2 mouse) {
 
 static void animate_DocumentWidget_(void *ticker) {
     iDocumentWidget *d = ticker;
-    if (!isFinished_Anim(&d->sideOpacity)) {
+    if (!isFinished_Anim(&d->sideOpacity) || !isFinished_Anim(&d->outlineOpacity)) {
         addTicker_App(animate_DocumentWidget_, d);
     }
 }
@@ -390,7 +409,20 @@ static void updateSideOpacity_DocumentWidget_(iDocumentWidget *d) {
     if (banner && bottom_Rect(banner->visBounds) < d->scrollY) {
         opacity = 1.0f;
     }
-    setValue_Anim(&d->sideOpacity, opacity, opacity < 0.5f ? 166 : 333);
+    setValue_Anim(&d->sideOpacity, opacity, opacity < 0.5f ? 100 : 200);
+    animate_DocumentWidget_(d);
+}
+
+static void updateOutlineOpacity_DocumentWidget_(iDocumentWidget *d) {
+    float opacity = 0.0f;
+    if (isEmpty_Array(&d->outline)) {
+        setValue_Anim(&d->outlineOpacity, 0.0f, 0);
+        return;
+    }
+    if (contains_Widget(constAs_Widget(d->scroll), mouseCoord_Window(get_Window()))) {
+        opacity = 1.0f;
+    }
+    setValue_Anim(&d->outlineOpacity, opacity, opacity > 0.5f? 166 : 333);
     animate_DocumentWidget_(d);
 }
 
@@ -506,16 +538,77 @@ static void invalidate_DocumentWidget_(iDocumentWidget *d) {
     clear_PtrSet(d->invalidRuns);
 }
 
+static const int outlineMinWidth_DocumentWdiget_ = 45; /* times gap_UI */
+static const int outlineMaxWidth_DocumentWidget_ = 65; /* times gap_UI */
+static const int outlinePadding_DocumentWidget_  = 3;  /* times gap_UI */
+
+static int outlineWidth_DocumentWidget_(const iDocumentWidget *d) {
+    const iWidget *w         = constAs_Widget(d);
+    const iRect    bounds    = bounds_Widget(w);
+    const int      docWidth  = documentWidth_DocumentWidget_(d);
+    int            width =
+        (width_Rect(bounds) - docWidth) / 2 - gap_Text * d->pageMargin - gap_UI * d->pageMargin
+        - 2 * outlinePadding_DocumentWidget_ * gap_UI;
+    if (width < outlineMinWidth_DocumentWdiget_ * gap_UI) {
+        return outlineMinWidth_DocumentWdiget_ * gap_UI;
+    }
+    return iMin(width, outlineMaxWidth_DocumentWidget_ * gap_UI);
+}
+
+static iRangecc bannerText_DocumentWidget_(const iDocumentWidget *d) {
+    return isEmpty_String(d->titleUser) ? range_String(bannerText_GmDocument(d->doc))
+                                        : range_String(d->titleUser);
+}
+
+static void updateOutline_DocumentWidget_(iDocumentWidget *d) {
+    iWidget *w = as_Widget(d);
+    int outWidth = outlineWidth_DocumentWidget_(d);
+    clear_Array(&d->outline);
+    if (outWidth == 0 || d->state != ready_RequestState) {
+        return;
+    }
+    if (size_GmDocument(d->doc).y < height_Rect(bounds_Widget(w)) * 2) {
+        return; /* Too short */
+    }
+    iInt2 pos  = zero_I2();
+//    const iRangecc topText = urlHost_String(d->mod.url);
+//    iInt2 size = advanceWrapRange_Text(uiContent_FontId, outWidth, topText);
+//    pushBack_Array(&d->outline, &(iOutlineItem){ topText, uiContent_FontId, (iRect){ pos, size },
+//                                                 tmBannerTitle_ColorId, none_ColorId });
+//    pos.y += size.y;
+    iInt2 size;
+    iConstForEach(Array, i, headings_GmDocument(d->doc)) {
+        const iGmHeading *head = i.value;
+        const int indent = head->level * 5 * gap_UI;
+        size = advanceWrapRange_Text(uiLabel_FontId, outWidth - indent, head->text);
+        if (head->level == 0) {
+            pos.y += gap_UI * 1.5f;
+        }
+        pushBack_Array(&d->outline,
+                       &(iOutlineItem){ head->text,
+                                        uiLabel_FontId,
+                                        (iRect){ addX_I2(pos, indent), size },
+                                        head->level == 0 ? tmHeading1_ColorId
+                                                         : head->level == 1 ? tmHeading2_ColorId
+                                                                            : tmHeading3_ColorId,
+                                        head->level == 0 ? tmQuoteIcon_ColorId : none_ColorId });
+        pos.y += size.y;
+    }
+}
+
 static void setSource_DocumentWidget_(iDocumentWidget *d, const iString *source) {
     setUrl_GmDocument(d->doc, d->mod.url);
     setSource_GmDocument(
         d->doc, source, documentWidth_DocumentWidget_(d), forceBreakWidth_DocumentWidget_(d));
-    d->foundMark   = iNullRange;
-    d->selectMark  = iNullRange;
-    d->hoverLink   = NULL;
-    d->contextLink = NULL;
+    d->foundMark      = iNullRange;
+    d->selectMark     = iNullRange;
+    d->hoverLink      = NULL;
+    d->contextLink    = NULL;
+    d->lastVisibleRun = NULL;
+    setValue_Anim(&d->outlineOpacity, 0.0f, 0);
     updateWindowTitle_DocumentWidget_(d);
     updateVisible_DocumentWidget_(d);
+    updateOutline_DocumentWidget_(d);
     invalidate_DocumentWidget_(d);
     refresh_Widget(as_Widget(d));
 }
@@ -751,6 +844,7 @@ static iBool updateFromHistory_DocumentWidget_(iDocumentWidget *d) {
         updateDocument_DocumentWidget_(d, resp);
         d->scrollY = d->initNormScrollY * size_GmDocument(d->doc).y;
         d->state = ready_RequestState;
+        updateOutline_DocumentWidget_(d);
         updateVisible_DocumentWidget_(d);
         postCommandf_App("document.changed doc:%p url:%s", d, cstr_String(d->mod.url));
         return iTrue;
@@ -1069,6 +1163,7 @@ static void allocVisBuffer_DocumentWidget_(const iDocumentWidget *d) {
 void updateSize_DocumentWidget(iDocumentWidget *d) {
     setWidth_GmDocument(
         d->doc, documentWidth_DocumentWidget_(d), forceBreakWidth_DocumentWidget_(d));
+    updateOutline_DocumentWidget_(d);
     updateVisible_DocumentWidget_(d);
     invalidate_DocumentWidget_(d);
 }
@@ -1087,6 +1182,7 @@ static iBool handleCommand_DocumentWidget_(iDocumentWidget *d, const char *cmd)
                 scrollTo_DocumentWidget_(d, mid_Rect(mid->bounds).y, iTrue);
             }
         }
+        updateOutline_DocumentWidget_(d);
         invalidate_DocumentWidget_(d);
         dealloc_VisBuf(d->visBuf);
         refresh_Widget(w);
@@ -1109,6 +1205,7 @@ static iBool handleCommand_DocumentWidget_(iDocumentWidget *d, const char *cmd)
             updateSize_DocumentWidget(d);
             updateFetchProgress_DocumentWidget_(d);
         }
+        updateOutlineOpacity_DocumentWidget_(d);
         updateWindowTitle_DocumentWidget_(d);
         allocVisBuffer_DocumentWidget_(d);
         return iFalse;
@@ -1213,6 +1310,7 @@ static iBool handleCommand_DocumentWidget_(iDocumentWidget *d, const char *cmd)
         }
         iReleasePtr(&d->request);
         updateVisible_DocumentWidget_(d);
+        updateOutline_DocumentWidget_(d);
         postCommandf_App("document.changed url:%s", cstr_String(d->mod.url));
         return iFalse;
     }
@@ -1559,6 +1657,7 @@ static iBool processEvent_DocumentWidget_(iDocumentWidget *d, const SDL_Event *e
         else {
             updateHover_DocumentWidget_(d, init_I2(ev->motion.x, ev->motion.y));
         }
+        updateOutlineOpacity_DocumentWidget_(d);
     }
     if (ev->type == SDL_MOUSEBUTTONDOWN) {
         if (ev->button.button == SDL_BUTTON_X1) {
@@ -1728,11 +1827,6 @@ struct Impl_DrawContext {
     iBool showLinkNumbers;
 };
 
-static iRangecc bannerText_DocumentWidget_(const iDocumentWidget *d) {
-    return isEmpty_String(d->titleUser) ? range_String(bannerText_GmDocument(d->doc))
-                                        : range_String(d->titleUser);
-}
-
 static void fillRange_DrawContext_(iDrawContext *d, const iGmRun *run, enum iColorId color,
                                    iRangecc mark, iBool *isInside) {
     if (mark.start > mark.end) {
@@ -1964,6 +2058,15 @@ static void drawRun_DrawContext_(void *context, const iGmRun *run) {
 //    drawRect_Paint(&d->paint, (iRect){ visPos, run->visBounds.size }, red_ColorId);
 }
 
+static void drawSideRect_(iPaint *p, iRect rect, int thickness) {
+    if (equal_Color(get_Color(tmBannerBackground_ColorId), get_Color(tmBackground_ColorId))) {
+        drawRectThickness_Paint(p, rect, thickness, tmBannerIcon_ColorId);
+    }
+    else {
+        fillRect_Paint(p, rect, tmBannerBackground_ColorId);
+    }
+}
+
 static void drawSideElements_DocumentWidget_(const iDocumentWidget *d) {
     const iWidget *w         = constAs_Widget(d);
     const iRect    bounds    = bounds_Widget(w);
@@ -1973,17 +2076,19 @@ static void drawSideElements_DocumentWidget_(const iDocumentWidget *d) {
     float          opacity   = value_Anim(&d->sideOpacity);
     const int      minBannerSize = lineHeight_Text(banner_FontId) * 2;
     const int      avail         = left_Rect(docBounds) - left_Rect(bounds) - 2 * margin;
+    iPaint      p;
+    init_Paint(&p);
+    setClip_Paint(&p, bounds);
     if (avail > minBannerSize) {
         if (banner && opacity > 0) {
             setOpacity_Text(opacity);
             SDL_SetRenderDrawBlendMode(renderer_Window(get_Window()), SDL_BLENDMODE_BLEND);
             const iChar icon = siteIcon_GmDocument(d->doc);
             iRect       rect = { add_I2(topLeft_Rect(bounds), init1_I2(margin)), init1_I2(minBannerSize) };
-            iPaint      p;
-            init_Paint(&p);
             p.alpha = opacity * 255;
-            int offset = iMax(0, bottom_Rect(banner->visBounds) - d->scrollY);
-            rect.pos.y += offset;
+            //int offset = iMax(0, bottom_Rect(banner->visBounds) - d->scrollY);
+            rect.pos.y += height_Rect(bounds) / 2 - rect.size.y / 2 - (banner ? banner->visBounds.size.y / 2 : 0); // offset;
+            drawSideRect_(&p, rect, gap_UI / 2);
             if (equal_Color(get_Color(tmBannerBackground_ColorId), get_Color(tmBackground_ColorId))) {
                 drawRectThickness_Paint(&p, rect, gap_UI / 2, tmBannerIcon_ColorId);
             }
@@ -1993,28 +2098,103 @@ static void drawSideElements_DocumentWidget_(const iDocumentWidget *d) {
             iString str;
             initUnicodeN_String(&str, &icon, 1);
             drawCentered_Text(banner_FontId, rect, iTrue, tmBannerIcon_ColorId, "%s", cstr_String(&str));
+#if 0
             if (avail >= minBannerSize * 2) {
                 const char *endp;
                 iRangecc    text = bannerText_DocumentWidget_(d);
                 iInt2       pos  = addY_I2(bottomLeft_Rect(rect), gap_Text);
-                const int   font = banner_FontId;
+                const int   font = heading3_FontId;
                 while (!isEmpty_Range(&text)) {
                     tryAdvance_Text(font, text, avail - 2 * margin, &endp);
-                    drawRange_Text(font, pos, tmBannerSideTitle_ColorId, (iRangecc){ text.start, endp });
+                    drawRange_Text(
+                        font, pos, tmBannerTitle_ColorId, (iRangecc){ text.start, endp });
+//                    drawRange_Text(font,
+//                                   add_I2(pos, init1_I2(-gap_UI / 4)),
+//                                   tmBackground_ColorId,
+//                                   (iRangecc){ text.start, endp });
                     text.start = endp;
                     pos.y += lineHeight_Text(font);
                 }
             }
+#endif
             setOpacity_Text(1.0f);
             SDL_SetRenderDrawBlendMode(renderer_Window(get_Window()), SDL_BLENDMODE_NONE);
         }
-        /* Update date. */
-        drawString_Text(default_FontId,
-                        add_I2(bottomLeft_Rect(bounds),
-                               init_I2(margin, -margin + -2 * lineHeight_Text(default_FontId))),
-                        tmQuoteIcon_ColorId,
-                        collect_String(format_Time(&d->sourceTime, "Received\n%H:%M %b %d, %Y")));
     }
+    /* Reception timestamp. */
+    if (isValid_Time(&d->sourceTime)) {
+        const int font = uiLabel_FontId;
+        const iString *recv =
+            collect_String(format_Time(&d->sourceTime, "Received at %I:%M %p\non %b %d, %Y"));
+        const iInt2 size = advanceRange_Text(font, range_String(recv));
+        if (size.x <= avail) {
+            drawString_Text(font,
+                            add_I2(bottomLeft_Rect(bounds),
+                                   init_I2(margin,
+                                           -margin + -size.y +
+                                               iMax(0, scrollMax_DocumentWidget_(d) - d->scrollY))),
+                            tmQuoteIcon_ColorId,
+                            recv);
+        }
+    }
+    /* Outline on the right side. */
+    const float outlineOpacity = value_Anim(&d->outlineOpacity);
+    if (!isEmpty_Array(&d->outline) && outlineOpacity > 0.0f) {
+//        const int font = uiLabel_FontId;
+        //iRect outlineRect = initCorners_Rect(topRight_Rect(docBounds), bottomRight_Rect(bounds));
+        //const int excess = width_Rect(outlineRect) - 75 * gap_UI;
+//        if (excess > 0) {
+//            adjustEdges_Rect(&outlineRect, 0, 0, 0, excess);
+//        }
+//        const int margin = gap_UI * d->pageMargin;
+        const int innerWidth = outlineWidth_DocumentWidget_(d);
+        const int outWidth  = innerWidth + 2 * outlinePadding_DocumentWidget_ * gap_UI;
+        const int topMargin = 0;//d->pageMargin * gap_UI; // + (banner ? banner->visBounds.size.y : 0);
+        const int bottomMargin = 3 * gap_UI; //d->pageMargin * gap_UI;
+        iInt2 pos = add_I2(topRight_Rect(bounds), init_I2(-outWidth - width_Widget(d->scroll), topMargin));
+//        const int lineWidth = avail - margin;
+//        pos.y = drawRangeWrap_Text(uiContent_FontId, pos, lineWidth, tmBannerIcon_ColorId,
+//                                   bannerText_DocumentWidget_(d));
+//        pos.y += gap_UI;
+        const int scrollMax = scrollMax_DocumentWidget_(d);
+        const int outHeight = bottom_Rect(((const iOutlineItem *) constBack_Array(&d->outline))->rect);
+        const int oversize  = outHeight - height_Rect(bounds) + topMargin + bottomMargin;
+        const int scroll =
+            (oversize > 0 && scrollMax > 0 ? oversize * d->scrollY / scrollMax_DocumentWidget_(d)
+                                           : 0);
+        /* Center short outlines vertically. */
+        if (oversize < 0) {
+            pos.y -= oversize / 2;// + (banner ? banner->visBounds.size.y / 2 : 0);
+        }
+        pos.y -= scroll;
+        setOpacity_Text(outlineOpacity);
+        SDL_SetRenderDrawBlendMode(renderer_Window(get_Window()), SDL_BLENDMODE_BLEND);
+        p.alpha = outlineOpacity * 255;
+        drawSideRect_(
+            &p,
+            (iRect){ addY_I2(pos, -outlinePadding_DocumentWidget_ * gap_UI / 2),
+                     init_I2(outWidth, outHeight + outlinePadding_DocumentWidget_ * gap_UI * 1.5f) },
+            1);
+        iConstForEach(Array, i, &d->outline) {
+            const iOutlineItem *item = i.value;
+            iInt2 visPos = addX_I2(add_I2(pos, item->rect.pos), outlinePadding_DocumentWidget_ * gap_UI);
+//            visPos.y -= scroll;
+//            if (item->sepColor != none_ColorId) {
+//                drawHLine_Paint(&p, addY_I2(visPos, -gap_UI), outWidth, item->sepColor);
+//            }
+//            drawRect_Paint(&p, (iRect){ visPos, item->rect.size }, red_ColorId);
+            const iBool isVisible = d->lastVisibleRun && d->lastVisibleRun->text.start >= item->text.start;
+            drawWrapRange_Text(item->font,
+                               visPos,
+                               innerWidth - left_Rect(item->rect),
+                               index_ArrayConstIterator(&i) == 0 || isVisible ? item->seenColor
+                                                                 : tmQuoteIcon_ColorId,
+                               item->text);
+        }
+        setOpacity_Text(1.0f);
+        SDL_SetRenderDrawBlendMode(renderer_Window(get_Window()), SDL_BLENDMODE_NONE);
+    }
+    unsetClip_Paint(&p);
 }
 
 static void draw_DocumentWidget_(const iDocumentWidget *d) {
diff --git a/src/ui/inputwidget.c b/src/ui/inputwidget.c
index 2d6d84dd..d29548f1 100644
--- a/src/ui/inputwidget.c
+++ b/src/ui/inputwidget.c
@@ -204,6 +204,11 @@ static uint32_t cursorTimer_(uint32_t interval, void *w) {
     return interval;
 }
 
+void selectAll_InputWidget(iInputWidget *d) {
+    d->mark = (iRanges){ 0, size_Array(&d->text) };
+    refresh_Widget(as_Widget(d));
+}
+
 void begin_InputWidget(iInputWidget *d) {
     iWidget *w = as_Widget(d);
     if (flags_Widget(w) & selected_WidgetFlag) {
diff --git a/src/ui/inputwidget.h b/src/ui/inputwidget.h
index ced7f968..f146ea00 100644
--- a/src/ui/inputwidget.h
+++ b/src/ui/inputwidget.h
@@ -43,6 +43,7 @@ void    setSelectAllOnFocus_InputWidget (iInputWidget *, iBool selectAllOnFocus)
 void    setNotifyEdits_InputWidget      (iInputWidget *, iBool notifyEdits);
 void    begin_InputWidget       (iInputWidget *);
 void    end_InputWidget         (iInputWidget *, iBool accept);
+void    selectAll_InputWidget   (iInputWidget *);
 
 const iString * text_InputWidget    (const iInputWidget *);
 
diff --git a/src/ui/sidebarwidget.c b/src/ui/sidebarwidget.c
index 1cd8cae9..8bf64b5c 100644
--- a/src/ui/sidebarwidget.c
+++ b/src/ui/sidebarwidget.c
@@ -116,7 +116,7 @@ static void updateItems_SidebarWidget_(iSidebarWidget *d) {
                 iSidebarItem *item = new_SidebarItem();
                 item->id = index_ArrayConstIterator(&i);
                 setRange_String(&item->label, head->text);
-                item->indent = head->level * 4 * gap_UI;
+                item->indent = head->level * 5 * gap_UI;
                 addItem_ListWidget(d->list, item);
                 iRelease(item);
             }
diff --git a/src/ui/text.c b/src/ui/text.c
index b2110bb6..23524808 100644
--- a/src/ui/text.c
+++ b/src/ui/text.c
@@ -142,16 +142,17 @@ struct Impl_CacheRow {
 };
 
 struct Impl_Text {
-    float         contentFontSize;
-    iFont         fonts[max_FontId];
-    SDL_Renderer *render;
-    SDL_Texture * cache;
-    iInt2         cacheSize;
-    int           cacheRowAllocStep;
-    int           cacheBottom;
-    iArray        cacheRows;
-    SDL_Palette * grayscale;
-    iRegExp *     ansiEscape;
+    enum iTextFont contentFont;
+    float          contentFontSize;
+    iFont          fonts[max_FontId];
+    SDL_Renderer * render;
+    SDL_Texture *  cache;
+    iInt2          cacheSize;
+    int            cacheRowAllocStep;
+    int            cacheBottom;
+    iArray         cacheRows;
+    SDL_Palette *  grayscale;
+    iRegExp *      ansiEscape;
 };
 
 static iText text_;
@@ -159,6 +160,16 @@ static iText text_;
 static void initFonts_Text_(iText *d) {
     const float textSize = fontSize_UI * d->contentFontSize;
     const float monoSize = fontSize_UI * d->contentFontSize / contentScale_Text_ * 0.866f;
+    const iBlock *regularFont = &fontNunitoRegular_Embedded;
+    const iBlock *italicFont  = &fontNunitoLightItalic_Embedded;
+    const iBlock *boldFont    = &fontNunitoExtraBold_Embedded;
+    const iBlock *lightFont   = &fontNunitoExtraLight_Embedded;
+    if (d->contentFont == firaSans_TextFont) {
+        regularFont = &fontFiraSansRegular_Embedded;
+        italicFont  = &fontFiraSansItalic_Embedded;
+        boldFont    = &fontFiraSansBold_Embedded;
+        lightFont   = &fontFiraSansLight_Embedded;
+    }
     const struct {
         const iBlock *ttf;
         int size;
@@ -168,17 +179,17 @@ static void initFonts_Text_(iText *d) {
         { &fontSourceSansProRegular_Embedded, fontSize_UI * 1.125f, defaultMediumSymbols_FontId },
         { &fontFiraMonoRegular_Embedded,      fontSize_UI * 0.866f, defaultSymbols_FontId },
         /* content fonts */
-        { &fontNunitoRegular_Embedded,        textSize,             symbols_FontId },
+        { regularFont,                        textSize,             symbols_FontId },
         { &fontFiraMonoRegular_Embedded,      monoSize,             monospaceSymbols_FontId },
         { &fontFiraMonoRegular_Embedded,      monoSize * 0.750f,    monospaceSmallSymbols_FontId },
-        { &fontNunitoRegular_Embedded,        textSize * 1.200f,    mediumSymbols_FontId },
-        { &fontNunitoRegular_Embedded,        textSize * 1.333f,    bigSymbols_FontId },
-        { &fontNunitoLightItalic_Embedded,    textSize,             symbols_FontId },
-        { &fontNunitoExtraBold_Embedded,      textSize,             symbols_FontId },
-        { &fontNunitoExtraBold_Embedded,      textSize * 1.333f,    mediumSymbols_FontId },
-        { &fontNunitoExtraBold_Embedded,      textSize * 1.666f,    largeSymbols_FontId },
-        { &fontNunitoExtraBold_Embedded,      textSize * 2.000f,    hugeSymbols_FontId },
-        { &fontNunitoExtraLight_Embedded,     textSize * 1.666f,    largeSymbols_FontId },
+        { regularFont,                        textSize * 1.200f,    mediumSymbols_FontId },
+        { regularFont,                        textSize * 1.333f,    bigSymbols_FontId },
+        { italicFont,                         textSize,             symbols_FontId },
+        { boldFont,                           textSize,             symbols_FontId },
+        { boldFont,                           textSize * 1.333f,    mediumSymbols_FontId },
+        { boldFont,                           textSize * 1.666f,    largeSymbols_FontId },
+        { boldFont,                           textSize * 2.000f,    hugeSymbols_FontId },
+        { lightFont,                          textSize * 1.666f,    largeSymbols_FontId },
         /* symbol fonts */
         { &fontSymbola_Embedded,              fontSize_UI,          defaultSymbols_FontId },
         { &fontSymbola_Embedded,              fontSize_UI * 1.125f, defaultMediumSymbols_FontId },
@@ -278,6 +289,7 @@ static void deinitCache_Text_(iText *d) {
 
 void init_Text(SDL_Renderer *render) {
     iText *d = &text_;
+    d->contentFont     = nunito_TextFont;
     d->contentFontSize = contentScale_Text_;
     d->ansiEscape      = new_RegExp("\\[([0-9;]+)m", 0);
     d->render          = render;
@@ -306,6 +318,13 @@ void setOpacity_Text(float opacity) {
     SDL_SetTextureAlphaMod(text_.cache, iClamp(opacity, 0.0f, 1.0f) * 255 + 0.5f);
 }
 
+void setContentFont_Text(enum iTextFont font) {
+    if (text_.contentFont != font) {
+        text_.contentFont = font;
+        resetFonts_Text();
+    }
+}
+
 void setContentFontSize_Text(float fontSizeFactor) {
     fontSizeFactor *= contentScale_Text_;
     iAssert(fontSizeFactor > 0);
@@ -766,6 +785,29 @@ void drawRange_Text(int fontId, iInt2 pos, int color, iRangecc text) {
     draw_Text_(fontId, pos, color, text);
 }
 
+iInt2 advanceWrapRange_Text(int fontId, int maxWidth, iRangecc text) {
+    iInt2 size = zero_I2();
+    const char *endp;
+    while (!isEmpty_Range(&text)) {
+        iInt2 line = tryAdvance_Text(fontId, text, maxWidth, &endp);
+        text.start = endp;
+        size.x = iMax(size.x, line.x);
+        size.y += line.y;
+    }
+    return size;
+}
+
+int drawWrapRange_Text(int fontId, iInt2 pos, int maxWidth, int color, iRangecc text) {
+    const char *endp;
+    while (!isEmpty_Range(&text)) {
+        tryAdvance_Text(fontId, text, maxWidth, &endp);
+        drawRange_Text(fontId, pos, color, (iRangecc){ text.start, endp });
+        text.start = endp;
+        pos.y += lineHeight_Text(fontId);
+    }
+    return pos.y;
+}
+
 void drawCentered_Text(int fontId, iRect rect, iBool alignVisual, int color, const char *format, ...) {
     iBlock chars;
     init_Block(&chars, 0); {
diff --git a/src/ui/text.h b/src/ui/text.h
index 71c2ba43..fa7b9402 100644
--- a/src/ui/text.h
+++ b/src/ui/text.h
@@ -105,13 +105,19 @@ iLocalDef iBool isVariationSelector_Char(iChar ch) {
 
 #define variationSelectorEmoji_Char     ((iChar) 0xfe0f)
 
+enum iTextFont {
+    nunito_TextFont,
+    firaSans_TextFont,
+};
+
 extern int gap_Text; /* affected by content font size */
 
 void    init_Text           (SDL_Renderer *);
 void    deinit_Text         (void);
 
+void    setContentFont_Text     (enum iTextFont font);
 void    setContentFontSize_Text (float fontSizeFactor); /* affects all except `default*` fonts */
-void    resetFonts_Text     (void);
+void    resetFonts_Text         (void);
 
 int     lineHeight_Text     (int fontId);
 iInt2   measure_Text        (int fontId, const char *text);
@@ -120,6 +126,7 @@ iRect   visualBounds_Text   (int fontId, iRangecc text);
 iInt2   advance_Text        (int fontId, const char *text);
 iInt2   advanceN_Text       (int fontId, const char *text, size_t n); /* `n` in characters */
 iInt2   advanceRange_Text   (int fontId, iRangecc text);
+iInt2   advanceWrapRange_Text   (int fontId, int maxWidth, iRangecc text);
 
 iInt2   tryAdvance_Text         (int fontId, iRangecc text, int width, const char **endPos);
 iInt2   tryAdvanceNoWrap_Text   (int fontId, iRangecc text, int width, const char **endPos);
@@ -137,6 +144,7 @@ void    drawAlign_Text      (int fontId, iInt2 pos, int color, enum iAlignment a
 void    drawCentered_Text   (int fontId, iRect rect, iBool alignVisual, int color, const char *text, ...);
 void    drawString_Text     (int fontId, iInt2 pos, int color, const iString *text);
 void    drawRange_Text      (int fontId, iInt2 pos, int color, iRangecc text);
+int     drawWrapRange_Text  (int fontId, iInt2 pos, int maxWidth, int color, iRangecc text); /* returns new Y */
 
 SDL_Texture *   glyphCache_Text     (void);
 
diff --git a/src/ui/util.c b/src/ui/util.c
index 5d283742..27bac834 100644
--- a/src/ui/util.c
+++ b/src/ui/util.c
@@ -36,6 +36,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 
 #include <the_Foundation/math.h>
 #include <the_Foundation/path.h>
+#include <SDL_timer.h>
 
 iBool isCommand_SDLEvent(const SDL_Event *d) {
     return d->type == SDL_USEREVENT && d->user.code == command_UserEventCode;
@@ -140,7 +141,7 @@ void init_Anim(iAnim *d, float value) {
 
 void setValue_Anim(iAnim *d, float to, uint32_t span) {
     if (fabsf(to - d->to) > 0.00001f) {
-        const uint32_t now = frameTime_Window(get_Window());
+        const uint32_t now = SDL_GetTicks();
         d->from = value_Anim(d);
         d->to   = to;
         d->when = now;
@@ -918,6 +919,13 @@ iWidget *makePreferences_Widget(void) {
     }
     /* Layout. */ {
         appendTwoColumnPage_(tabs, "Layout", '2', &headings, &values);
+        addChild_Widget(headings, iClob(makeHeading_Widget("Font:")));
+        iWidget *fonts = new_Widget();
+        /* Fonts. */ {
+            addRadioButton_(fonts, "prefs.font.0", "Nunito", "font.set arg:0");
+            addRadioButton_(fonts, "prefs.font.1", "Fira Sans", "font.set arg:1");
+        }
+        addChildFlags_Widget(values, iClob(fonts), arrangeHorizontal_WidgetFlag | arrangeSize_WidgetFlag);
         addChild_Widget(headings, iClob(makeHeading_Widget("Line width:")));
         iWidget *widths = new_Widget();
         /* Line widths. */ {
diff --git a/src/ui/window.c b/src/ui/window.c
index 19432691..b1fd3a07 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -94,7 +94,7 @@ static iBool handleRootCommands_(iWidget *root, const char *cmd) {
 /* TODO: Submenus wouldn't hurt here. */
 static const iMenuItem navMenuItems[] = {
     { "New Tab", 't', KMOD_PRIMARY, "tabs.new" },
-    { "Open Location...", SDLK_l, KMOD_PRIMARY, "focus.set id:url" },
+    { "Open Location...", SDLK_l, KMOD_PRIMARY, "navigate.focus" },
     { "---", 0, 0, NULL },
     { "Save to Downloads", SDLK_s, KMOD_PRIMARY, "document.save" },
     { "---", 0, 0, NULL },
@@ -118,7 +118,7 @@ static const iMenuItem navMenuItems[] = {
 /* Using native menus. */
 static const iMenuItem fileMenuItems[] = {
     { "New Tab", SDLK_t, KMOD_PRIMARY, "tabs.new" },
-    { "Open Location...", SDLK_l, KMOD_PRIMARY, "focus.set id:url" },
+    { "Open Location...", SDLK_l, KMOD_PRIMARY, "navigate.focus" },
     { "---", 0, 0, NULL },
     { "Save to Downloads", SDLK_s, KMOD_PRIMARY, "document.save" },
 };
@@ -212,6 +212,16 @@ static iBool handleNavBarCommands_(iWidget *navBar, const char *cmd) {
         postCommand_Widget(navBar, "layout.changed id:navbar");
         return iFalse;
     }
+    else if (equal_Command(cmd, "navigate.focus")) {
+        iWidget *url = findChild_Widget(navBar, "url");
+        if (focus_Widget() != url) {
+            setFocus_Widget(findChild_Widget(navBar, "url"));
+        }
+        else {
+            selectAll_InputWidget((iInputWidget *) url);
+        }
+        return iTrue;
+    }
     else if (equal_Command(cmd, "input.edited")) {
         iAnyObject *url = findChild_Widget(navBar, "url");
         if (pointer_Command(cmd) == url) {
@@ -459,7 +469,7 @@ static void setupUserInterface_Window(iWindow *d) {
         addAction_Widget(d->root, prevTab_KeyShortcut, "tabs.prev");
         addAction_Widget(d->root, nextTab_KeyShortcut, "tabs.next");
 #if !defined (iHaveNativeMenus)
-        addAction_Widget(d->root, 'l', KMOD_PRIMARY, "focus.set id:url");
+        addAction_Widget(d->root, 'l', KMOD_PRIMARY, "navigate.focus");
         addAction_Widget(d->root, 'f', KMOD_PRIMARY, "focus.set id:find.input");
         addAction_Widget(d->root, '1', KMOD_PRIMARY, "sidebar.mode arg:0 toggle:1");
         addAction_Widget(d->root, '2', KMOD_PRIMARY, "sidebar.mode arg:1 toggle:1");