Entering URLs and updating the navbar

6 files changed, 86 insertions, 23 deletions

diff --git a/src/main.c b/src/main.c
index 457cc1f2..f6ff045d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -15,7 +15,7 @@ int main(int argc, char **argv) {
     init_Foundation();
     printf("Lagrange: A Beautiful Gemini Client\n");
     /* Initialize SDL. */
-    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO)) {
+    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER)) {
         fprintf(stderr, "SDL init failed: %s\n", SDL_GetError());
         return -1;
     }
diff --git a/src/ui/documentwidget.c b/src/ui/documentwidget.c
index 9d95957a..71399d3b 100644
--- a/src/ui/documentwidget.c
+++ b/src/ui/documentwidget.c
@@ -301,6 +301,7 @@ static iBool processEvent_DocumentWidget_(iDocumentWidget *d, const SDL_Event *e
     if (isResize_UserEvent(ev)) {
         setWidth_GmDocument(d->doc, documentWidth_DocumentWidget_(d));
         updateVisible_DocumentWidget_(d);
+        refresh_Widget(w);
     }
     else if (isCommand_Widget(w, ev, "scroll.moved")) {
         d->scrollY = arg_Command(command_UserEvent(ev));
@@ -410,30 +411,27 @@ static void drawRun_DrawContext_(void *context, const iGmRun *run) {
 }
 
 static void draw_DocumentWidget_(const iDocumentWidget *d) {
-    const iWidget *w = constAs_Widget(d);
+    const iWidget *w      = constAs_Widget(d);
+    const iRect    bounds = bounds_Widget(w);
     draw_Widget(w);
+    iDrawContext ctx = { .widget = d, .bounds = documentBounds_DocumentWidget_(d) };
+    init_Paint(&ctx.paint);
+    fillRect_Paint(&ctx.paint, bounds, gray25_ColorId);
     /* Update the document? */
     if (!isEmpty_String(d->newSource)) {
         iDocumentWidget *m = iConstCast(iDocumentWidget *, d);
         /* TODO: Do this in the background. However, that requires a text metrics calculator
            that does not try to cache the glyph bitmaps. */
-        setSource_GmDocument(m->doc, m->newSource, documentWidth_DocumentWidget_(m));
+        setSource_GmDocument(m->doc, m->newSource, width_Rect(ctx.bounds));
+        postCommandf_App("document.changed url:%s", cstr_String(d->url));
         clear_String(m->newSource);
         m->scrollY = 0;
         m->state = ready_DocumentState;
         updateVisible_DocumentWidget_(m);
     }
     if (d->state != ready_DocumentState) return;    
-    iDrawContext ctx = { .widget = d, .bounds = documentBounds_DocumentWidget_(d) };
-    const iRect bounds = bounds_Widget(w);
-    init_Paint(&ctx.paint);    
-    fillRect_Paint(&ctx.paint, bounds, gray25_ColorId);
     setClip_Paint(&ctx.paint, bounds);
-    render_GmDocument(
-        d->doc,
-        visibleRange_DocumentWidget_(d),
-        drawRun_DrawContext_,
-        &ctx);
+    render_GmDocument(d->doc, visibleRange_DocumentWidget_(d), drawRun_DrawContext_, &ctx);
     clearClip_Paint(&ctx.paint);
     draw_Widget(w);
 }
diff --git a/src/ui/inputwidget.c b/src/ui/inputwidget.c
index 1a692907..b73fac9e 100644
--- a/src/ui/inputwidget.c
+++ b/src/ui/inputwidget.c
@@ -5,6 +5,8 @@
 #include <the_Foundation/array.h>
 #include <SDL_timer.h>
 
+static const int REFRESH_INTERVAL = 256;
+
 struct Impl_InputWidget {
     iWidget         widget;
     enum iInputMode mode;
@@ -14,6 +16,7 @@ struct Impl_InputWidget {
     size_t          cursor;
     int             font;
     iClick          click;
+    uint32_t        timer;
 };
 
 iDefineObjectConstructionArgs(InputWidget, (size_t maxLen), maxLen)
@@ -33,9 +36,13 @@ void init_InputWidget(iInputWidget *d, size_t maxLen) {
         setFlags_Widget(w, fixedHeight_WidgetFlag, iTrue);
     }
     init_Click(&d->click, d, SDL_BUTTON_LEFT);
+    d->timer = 0;
 }
 
 void deinit_InputWidget(iInputWidget *d) {
+    if (d->timer) {
+        SDL_RemoveTimer(d->timer);
+    }
     deinit_Array(&d->oldText);
     deinit_Array(&d->text);
 }
@@ -68,6 +75,7 @@ void setText_InputWidget(iInputWidget *d, const iString *text) {
     iConstForEach(String, i, text) {
         pushBack_Array(&d->text, &i.value);
     }
+    refresh_Widget(as_Widget(d));
 }
 
 void setTextCStr_InputWidget(iInputWidget *d, const char *cstr) {
@@ -80,6 +88,11 @@ void setCursor_InputWidget(iInputWidget *d, size_t pos) {
     d->cursor = iMin(pos, size_Array(&d->text));
 }
 
+static uint32_t refreshTimer_(uint32_t interval, void *d) {
+    refresh_Widget(d);
+    return interval;
+}
+
 void begin_InputWidget(iInputWidget *d) {
     iWidget *w = as_Widget(d);
     if (flags_Widget(w) & selected_WidgetFlag) {
@@ -96,6 +109,8 @@ void begin_InputWidget(iInputWidget *d) {
     }
     SDL_StartTextInput();
     setFlags_Widget(w, selected_WidgetFlag, iTrue);
+    refresh_Widget(w);
+    d->timer = SDL_AddTimer(REFRESH_INTERVAL, refreshTimer_, d);
 }
 
 void end_InputWidget(iInputWidget *d, iBool accept) {
@@ -107,19 +122,23 @@ void end_InputWidget(iInputWidget *d, iBool accept) {
     if (!accept) {
         setCopy_Array(&d->text, &d->oldText);
     }
+    SDL_RemoveTimer(d->timer);
+    d->timer = 0;
     SDL_StopTextInput();
     setFlags_Widget(w, selected_WidgetFlag, iFalse);
     const char *id = cstr_String(id_Widget(as_Widget(d)));
     if (!*id) id = "_";
+    refresh_Widget(w);
     postCommand_Widget(w, "input.ended id:%s arg:%d", id, accept ? 1 : 0);
 }
 
 static iBool processEvent_InputWidget_(iInputWidget *d, const SDL_Event *ev) {
-    if (isCommand_Widget(as_Widget(d), ev, "focus.gained")) {
+    iWidget *w = as_Widget(d);
+    if (isCommand_Widget(w, ev, "focus.gained")) {
         begin_InputWidget(d);
         return iTrue;
     }
-    else if (isCommand_Widget(as_Widget(d), ev, "focus.lost")) {
+    else if (isCommand_Widget(w, ev, "focus.lost")) {
         end_InputWidget(d, iTrue);
         return iTrue;
     }
@@ -139,7 +158,7 @@ static iBool processEvent_InputWidget_(iInputWidget *d, const SDL_Event *ev) {
         return iTrue;
     }
     const size_t curMax = iMin(size_Array(&d->text), d->maxLen - 1);
-    if (ev->type == SDL_KEYDOWN && isFocused_Widget(as_Widget(d))) {
+    if (ev->type == SDL_KEYDOWN && isFocused_Widget(w)) {
         const int key  = ev->key.keysym.sym;
         const int mods = keyMods_Sym(ev->key.keysym.mod);
         switch (key) {
@@ -159,28 +178,33 @@ static iBool processEvent_InputWidget_(iInputWidget *d, const SDL_Event *ev) {
                 else if (d->cursor > 0) {
                     remove_Array(&d->text, --d->cursor);
                 }
+                refresh_Widget(w);
                 return iTrue;
             case SDLK_d:
                 if (mods != KMOD_CTRL) break;
             case SDLK_DELETE:
                 if (d->cursor < size_Array(&d->text)) {
                     remove_Array(&d->text, d->cursor);
+                    refresh_Widget(w);
                 }
                 return iTrue;
             case SDLK_k:
                 if (mods == KMOD_CTRL) {
                     removeN_Array(&d->text, d->cursor, size_Array(&d->text) - d->cursor);
+                    refresh_Widget(w);
                     return iTrue;
                 }
                 break;
             case SDLK_HOME:
             case SDLK_END:
                 d->cursor = (key == SDLK_HOME ? 0 : curMax);
+                refresh_Widget(w);
                 return iTrue;
             case SDLK_a:
             case SDLK_e:
                 if (mods == KMOD_CTRL) {
                     d->cursor = (key == 'a' ? 0 : curMax);
+                    refresh_Widget(w);
                     return iTrue;
                 }
                 break;
@@ -191,6 +215,7 @@ static iBool processEvent_InputWidget_(iInputWidget *d, const SDL_Event *ev) {
                 else if (d->cursor > 0) {
                     d->cursor--;
                 }
+                refresh_Widget(w);
                 return iTrue;
             case SDLK_RIGHT:
                 if (mods & KMOD_PRIMARY) {
@@ -199,6 +224,7 @@ static iBool processEvent_InputWidget_(iInputWidget *d, const SDL_Event *ev) {
                 else if (d->cursor < curMax) {
                     d->cursor++;
                 }
+                refresh_Widget(w);
                 return iTrue;
             case SDLK_TAB:
                 /* Allow focus switching. */
@@ -209,7 +235,7 @@ static iBool processEvent_InputWidget_(iInputWidget *d, const SDL_Event *ev) {
         }
         return iTrue;
     }
-    else if (ev->type == SDL_TEXTINPUT && isFocused_Widget(as_Widget(d))) {
+    else if (ev->type == SDL_TEXTINPUT && isFocused_Widget(w)) {
         const iString *uni = collectNewCStr_String(ev->text.text);
         const iChar    chr = first_String(uni);
         if (d->mode == insert_InputMode) {
@@ -225,9 +251,10 @@ static iBool processEvent_InputWidget_(iInputWidget *d, const SDL_Event *ev) {
                 setFocus_Widget(NULL);
             }
         }
+        refresh_Widget(w);
         return iTrue;
     }
-    return processEvent_Widget(as_Widget(d), ev);
+    return processEvent_Widget(w, ev);
 }
 
 static void draw_InputWidget_(const iInputWidget *d) {
diff --git a/src/ui/labelwidget.c b/src/ui/labelwidget.c
index 7b64857b..341c2f0e 100644
--- a/src/ui/labelwidget.c
+++ b/src/ui/labelwidget.c
@@ -30,19 +30,23 @@ static void trigger_LabelWidget_(const iLabelWidget *d) {
 }
 
 static iBool processEvent_LabelWidget_(iLabelWidget *d, const SDL_Event *ev) {
+    iWidget *w = &d->widget;
     if (isCommand_UserEvent(ev, "metrics.changed")) {
         updateSize_LabelWidget(d);
     }
     if (!isEmpty_String(&d->command)) {
         switch (processEvent_Click(&d->click, ev)) {
             case started_ClickResult:
-                setFlags_Widget(&d->widget, pressed_WidgetFlag, iTrue);
+                setFlags_Widget(w, pressed_WidgetFlag, iTrue);
+                refresh_Widget(w);
                 return iTrue;
             case aborted_ClickResult:
-                setFlags_Widget(&d->widget, pressed_WidgetFlag, iFalse);
+                setFlags_Widget(w, pressed_WidgetFlag, iFalse);
+                refresh_Widget(w);
                 return iTrue;
             case finished_ClickResult:
-                setFlags_Widget(&d->widget, pressed_WidgetFlag, iFalse);
+                setFlags_Widget(w, pressed_WidgetFlag, iFalse);
+                refresh_Widget(w);
                 trigger_LabelWidget_(d);
                 return iTrue;
             case double_ClickResult:
diff --git a/src/ui/window.c b/src/ui/window.c
index 241cd3b0..43233010 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -49,6 +49,10 @@ static iBool handleRootCommands_(iWidget *root, const char *cmd) {
         }
         return iTrue;
     }
+    else if (equal_Command(cmd, "setfocus")) {
+        setFocus_Widget(findWidget_App(cstr_String(string_Command(cmd, "id"))));
+        return iTrue;
+    }
     else if (handleCommand_App(cmd)) {
         return iTrue;
     }
@@ -70,6 +74,23 @@ static const iMenuItem editMenuItems[] = {
 static const iMenuItem viewMenuItems[] = {
 };
 
+static iBool handleNavBarCommands_(iWidget *navBar, const char *cmd) {
+    if (equal_Command(cmd, "input.ended")) {
+        iInputWidget *url = findChild_Widget(navBar, "url");
+        if (arg_Command(cmd) && pointer_Command(cmd) == url) {
+            postCommandf_App("open url:%s", cstr_String(text_InputWidget(url)));
+            return iTrue;
+        }
+    }
+    else if (equal_Command(cmd, "document.changed")) {
+        iInputWidget *url = findWidget_App("url");
+        setTextCStr_InputWidget(url, valuePtr_Command(cmd, "url"));
+        setTitle_Window(get_Window(), text_InputWidget(url));
+        return iTrue;
+    }
+    return iFalse;
+}
+
 static void setupUserInterface_Window(iWindow *d) {
     /* Children of root cover the entire window. */
     setFlags_Widget(d->root, resizeChildren_WidgetFlag, iTrue);
@@ -87,12 +108,14 @@ static void setupUserInterface_Window(iWindow *d) {
                             arrangeHorizontal_WidgetFlag,
                         iTrue);
         addChild_Widget(div, iClob(navBar));
-        setBackgroundColor_Widget(div, gray25_ColorId);
+        setCommandHandler_Widget(navBar, handleNavBarCommands_);
+        setBackgroundColor_Widget(navBar, gray25_ColorId);
 
         addChild_Widget(navBar, iClob(new_LabelWidget("Back", 0, 0, "navigate.back")));
         addChild_Widget(navBar, iClob(new_LabelWidget("Fwd", 0, 0, "navigate.forward")));
         addChild_Widget(navBar, iClob(new_LabelWidget("Home", 0, 0, "navigate.home")));
         iInputWidget *url = new_InputWidget(0);
+        setId_Widget(as_Widget(url), "url");
         setTextCStr_InputWidget(url, "gemini://");
         addChildFlags_Widget(navBar, iClob(url), expand_WidgetFlag);
     }
@@ -250,6 +273,7 @@ static void setupUserInterface_Window(iWindow *d) {
 #endif
     /* Glboal keyboard shortcuts. */ {
         // addAction_Widget(d->root, SDLK_LEFTBRACKET, KMOD_SHIFT | KMOD_PRIMARY, "tabs.prev");
+        addAction_Widget(d->root, 'l', KMOD_PRIMARY, "setfocus id:url");
     }
 }
 
@@ -381,8 +405,13 @@ iBool processEvent_Window(iWindow *d, const SDL_Event *ev) {
                     widget = mouseGrab_Widget();
                 }
             }
-            /* TODO: Auto-refresh when hover widget changes. */
-            return dispatchEvent_Widget(widget, &event);
+            iWidget *oldHover = hover_Widget();
+            /* Dispatch the event to the tree of widgets. */
+            iBool wasUsed = dispatchEvent_Widget(widget, &event);
+            if (oldHover != hover_Widget()) {
+                postRefresh_App();
+            }
+            return wasUsed;
         }
     }
     return iFalse;
@@ -432,6 +461,10 @@ void resize_Window(iWindow *d, int w, int h) {
     updateRootSize_Window_(d);
 }
 
+void setTitle_Window(iWindow *d, const iString *title) {
+    SDL_SetWindowTitle(d->win, cstr_String(title));
+}
+
 void setUiScale_Window(iWindow *d, float uiScale) {
     uiScale = iClamp(uiScale, 0.5f, 4.0f);
     if (d) {
diff --git a/src/ui/window.h b/src/ui/window.h
index d0413af4..70e52751 100644
--- a/src/ui/window.h
+++ b/src/ui/window.h
@@ -23,6 +23,7 @@ struct Impl_Window {
 iBool       processEvent_Window     (iWindow *, const SDL_Event *);
 void        draw_Window             (iWindow *);
 void        resize_Window           (iWindow *, int w, int h);
+void        setTitle_Window         (iWindow *, const iString *title);
 void        setUiScale_Window       (iWindow *, float uiScale);
 
 iInt2       rootSize_Window         (const iWindow *);