[ghex/expand-search-options: 6/9] Animate opening and closing of find/replace panes

[Logan Rathbone <larathbone src gnome org>]

commit 2c65ec5635f3ca54241a7f50e7efec47d27dad2d
Author: Logan Rathbone <poprocks gmail com>
Date:   Mon Apr 18 03:24:23 2022 -0400

    Animate opening and closing of find/replace panes

 src/findreplace.c                 |  2 -
 src/ghex-application-window.c     | 96 ++++++++++++++++++++++-----------------
 src/ghex-application-window.ui.in |  9 +++-
 3 files changed, 62 insertions(+), 45 deletions(-)
---
diff --git a/src/findreplace.c b/src/findreplace.c
index 9b2ad31..7f3125a 100644
--- a/src/findreplace.c
+++ b/src/findreplace.c
@@ -158,8 +158,6 @@ pane_dialog_real_close (PaneDialog *self)
                hex_widget_delete_autohighlight (priv->gh, priv->auto_highlight);
        }
        priv->auto_highlight = NULL;
-
-       gtk_widget_hide (GTK_WIDGET(self));
 }
 
 static void
diff --git a/src/ghex-application-window.c b/src/ghex-application-window.c
index 563871e..09c93de 100644
--- a/src/ghex-application-window.c
+++ b/src/ghex-application-window.c
@@ -78,6 +78,7 @@ struct _GHexApplicationWindow
        GtkWidget *pane_toggle_button;
        GtkWidget *insert_mode_button;
        GtkWidget *statusbar;
+       GtkWidget *pane_revealer;
 };
 
 /* GHexApplicationWindow - Globals for Properties and Signals */
@@ -813,16 +814,12 @@ pane_close_cb (PaneDialog *pane, gpointer user_data)
        if (ACTIVE_GH)
                gtk_widget_grab_focus (GTK_WIDGET(ACTIVE_GH));
 
-       /* nb: keep this first due to hierarchy (ReplaceDialog @ISA FindDialog) */
-       if (REPLACE_IS_DIALOG (pane)) {
-               g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_REPLACE_OPEN]);
-       }
-       else if (FIND_IS_DIALOG (pane)) {
-               g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_FIND_OPEN]);
-       }
-       else if (JUMP_IS_DIALOG (pane)) {
-               g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_JUMP_OPEN]);
-       }
+       gtk_revealer_set_transition_type (GTK_REVEALER(self->pane_revealer), 
GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN);
+       gtk_revealer_set_reveal_child (GTK_REVEALER(self->pane_revealer), FALSE);
+
+       g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_FIND_OPEN]);
+       g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_REPLACE_OPEN]);
+       g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_JUMP_OPEN]);
 }
 
 static void
@@ -973,28 +970,35 @@ DIALOG_SET_SHOW_TEMPLATE(chartable, setup_chartable(self), PROP_CHARTABLE_OPEN)
 DIALOG_SET_SHOW_TEMPLATE(converter, setup_converter(self), PROP_CONVERTER_OPEN)
 
 /* Note that in this macro, it's up to the "closed" cb functions to notify
- * by pspec; otherwise, you get in an infinite loop
+ * by pspec
  */
-#define PANE_SET_SHOW_TEMPLATE(WIDGET, OTHER1, OTHER2, PROP_ARR_ENTRY)         \
-static void                                                                                                  
                                  \
-ghex_application_window_set_show_ ##WIDGET (GHexApplicationWindow *self,       \
-               gboolean show)                                                                                
                          \
-{                                                                                                            
                                          \
-       if (show) {                                                                                           
                                  \
-               ghex_application_window_set_show_ ## OTHER1 (self, FALSE);                      \
-               ghex_application_window_set_show_ ## OTHER2 (self, FALSE);                      \
-               gtk_widget_show (self->WIDGET ## _dialog);                                                    
  \
-               gtk_widget_grab_focus (self->WIDGET ## _dialog);                                        \
-               g_object_notify_by_pspec (G_OBJECT(self),                                                     
  \
-                               properties[PROP_ARR_ENTRY]);                                                  
          \
-       } else {                                                                                              
                                  \
-               g_signal_emit_by_name (self->WIDGET ## _dialog, "closed");                      \
-       }                                                                                                     
                                          \
+#define PANE_SET_SHOW_TEMPLATE(WIDGET, OTHER1, OTHER2)                                                       
  \
+static void                                                                                                  
                                                  \
+ghex_application_window_set_show_ ##WIDGET (GHexApplicationWindow *self,                       \
+               gboolean show)                                                                                
                                          \
+{                                                                                                            
                                                          \
+       if (show) {                                                                                           
                                                  \
+               gtk_widget_hide (self->OTHER1 ## _dialog);                                                    
                  \
+               gtk_widget_hide (self->OTHER2 ## _dialog);                                                    
                  \
+               gtk_widget_show (self->WIDGET ## _dialog);                                                    
                  \
+               gtk_widget_grab_focus (self->WIDGET ## _dialog);                                              
          \
+               if (! gtk_revealer_get_reveal_child (GTK_REVEALER(self->pane_revealer)))        \
+               {                                                                                             
                                                          \
+                       gtk_revealer_set_transition_type (GTK_REVEALER(self->pane_revealer),    \
+                                       GTK_REVEALER_TRANSITION_TYPE_SLIDE_UP);                               
                  \
+                       gtk_revealer_set_reveal_child (GTK_REVEALER(self->pane_revealer), TRUE);\
+               }                                                                                             
                                                          \
+               g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_FIND_OPEN]);          \
+               g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_REPLACE_OPEN]);       \
+               g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_JUMP_OPEN]);          \
+       } else {                                                                                              
                                                  \
+               g_signal_emit_by_name (self->WIDGET ## _dialog, "closed");                                    
  \
+       }                                                                                                     
                                                          \
 }                                                                                              /* 
PANE_SET_SHOW_TEMPLATE */
 
-PANE_SET_SHOW_TEMPLATE(find,           replace, jump,  PROP_FIND_OPEN)
-PANE_SET_SHOW_TEMPLATE(replace,                find, jump,             PROP_REPLACE_OPEN)
-PANE_SET_SHOW_TEMPLATE(jump,           find, replace,  PROP_JUMP_OPEN)
+PANE_SET_SHOW_TEMPLATE(find,           replace, jump)
+PANE_SET_SHOW_TEMPLATE(replace,                find, jump)
+PANE_SET_SHOW_TEMPLATE(jump,           find, replace)
 
 /* Property setters without templates: */
 
@@ -1479,6 +1483,21 @@ out:
        clear_statusbar (self);
 }
 
+/* helpers for _get_property */
+
+static gboolean
+get_dialog_visible (GtkWidget *widget)
+{
+       return (GTK_IS_WIDGET(widget) && gtk_widget_get_visible (widget));
+}
+
+static gboolean
+get_pane_visible (GHexApplicationWindow *self, PaneDialog *pane)
+{
+       return (GTK_IS_WIDGET(GTK_WIDGET(pane)) &&
+               gtk_widget_get_visible (GTK_WIDGET(pane)) &&
+               gtk_revealer_get_reveal_child (GTK_REVEALER(self->pane_revealer)));
+}
 
 /* PROPERTIES */
 
@@ -1545,33 +1564,26 @@ ghex_application_window_get_property (GObject *object,
        switch ((GHexApplicationWindowProperty) property_id)
        {
                case PROP_CHARTABLE_OPEN:
-                       g_value_set_boolean (value,
-                                       GTK_IS_WIDGET(self->chartable) &&
-                                               gtk_widget_get_visible (self->chartable));
+                       g_value_set_boolean (value, get_dialog_visible (self->chartable));
                        break;
 
                case PROP_CONVERTER_OPEN:
-                       g_value_set_boolean (value,
-                                       GTK_IS_WIDGET(self->converter) &&
-                                               gtk_widget_get_visible (self->converter));
+                       g_value_set_boolean (value, get_dialog_visible (self->converter));
                        break;
 
                case PROP_FIND_OPEN:
                        g_value_set_boolean (value,
-                                       GTK_IS_WIDGET(self->find_dialog) &&
-                                               gtk_widget_get_visible (self->find_dialog));
+                                       get_pane_visible (self, PANE_DIALOG(self->find_dialog)));
                        break;
 
                case PROP_REPLACE_OPEN:
                        g_value_set_boolean (value,
-                                       GTK_IS_WIDGET(self->replace_dialog) &&
-                                               gtk_widget_get_visible (self->replace_dialog));
+                                       get_pane_visible (self, PANE_DIALOG(self->replace_dialog)));
                        break;
 
                case PROP_JUMP_OPEN:
                        g_value_set_boolean (value,
-                                       GTK_IS_WIDGET(self->jump_dialog) &&
-                                               gtk_widget_get_visible (self->jump_dialog));
+                                       get_pane_visible (self, PANE_DIALOG(self->jump_dialog)));
                        break;
 
                case PROP_CAN_SAVE:
@@ -1998,6 +2010,8 @@ ghex_application_window_class_init(GHexApplicationWindowClass *klass)
                        insert_mode_button);
        gtk_widget_class_bind_template_child (widget_class, GHexApplicationWindow,
                        statusbar);
+       gtk_widget_class_bind_template_child (widget_class, GHexApplicationWindow,
+                       pane_revealer);
 }
 
 GtkWidget *
diff --git a/src/ghex-application-window.ui.in b/src/ghex-application-window.ui.in
index 092228f..a6fe157 100644
--- a/src/ghex-application-window.ui.in
+++ b/src/ghex-application-window.ui.in
@@ -254,8 +254,13 @@
                                        </object>
                                </child>
 
-                               <child> <!-- box to put the `findreplace' dialogs. -->
-                                       <object class="GtkBox" id="findreplace_box" />
+                               <child>
+                                       <object class="GtkRevealer" id="pane_revealer">
+                                               <property name="transition-type">slide-up</property>
+                                               <child> <!-- box to put the `findreplace' dialogs. -->
+                                                       <object class="GtkBox" id="findreplace_box" />
+                                               </child>
+                                       </object>
                                </child>
 
                                <!-- "findreplace" separator which comes and goes. -->