ardour/livetrax
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Update scroll-window policy of Lua dialog windows

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Better version of 817fccb3e5, the visibility should not depend
on the number of items in the dialog, but its requested height
vs screen height.

The main use-case is to not show the scroll-bar if the dialog has only
a few rows. Then again if the scrollbar is visible, the dialog
should not shrink below a reasonable min. height.
This commit is contained in:
Robin Gareus 2022-06-02 22:01:56 +02:00
parent 2cef35247c
commit 5db59b9fd6
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
2 changed files with 13 additions and 7 deletions
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16
gtk2_ardour/luadialog.cc
View File

@ -30,9 +30,10 @@
#include "widgets/slider_controller.h"
#include "stripable_colorpicker.h"
#include "ardour_dialog.h"
#include "luadialog.h"
#include "public_editor.h"
#include "splash.h"
#include "ui_config.h"
#include "utils.h"
using namespace LuaDialog;
@ -763,7 +764,7 @@ Dialog::Dialog (std::string const& title, luabridge::LuaRef lr)
Gtk::Table* table = Gtk::manage (new Gtk::Table ());
table->set_col_spacings (20);
table->set_row_spacings (8);
table->signal_size_allocate ().connect (sigc::mem_fun (this, &Dialog::table_size_alloc));
table->signal_size_request ().connect (sigc::mem_fun (this, &Dialog::table_size_request));
_scroller.set_shadow_type(Gtk::SHADOW_NONE);
_scroller.set_border_width(0);
@ -833,12 +834,15 @@ Dialog::run (lua_State *L)
}
void
Dialog::table_size_alloc (Gtk::Allocation& allocation)
Dialog::table_size_request (Gtk::Requisition* req)
{
/* XXX: consider using 0.75 * screen-height instead of 512 */
if (allocation.get_height () > 512) {
int h = Gtkmm2ext::physical_screen_height (PublicEditor::instance ().current_toplevel()->get_window());
int max_height = std::max (400., std::min (768.0 * UIConfiguration::instance().get_ui_scale(), h * .7));
if (req->height > max_height) {
_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
_ad.set_size_request (-1, 512);
_ad.set_size_request (-1, max_height);
}
}

4
gtk2_ardour/luadialog.h
View File

@ -20,11 +20,13 @@
#define _gtk2ardour_luadialog_h_
#include <cassert>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/table.h>
#include <gtkmm/progressbar.h>
#include "LuaBridge/LuaBridge.h"
#include "ardour_dialog.h"
#include "ardour_message.h"
namespace LuaDialog {
@ -91,7 +93,7 @@ public:
private:
Dialog (Dialog const&); // prevent copy construction
void table_size_alloc (Gtk::Allocation&);
void table_size_request (Gtk::Requisition*);
ArdourDialog _ad;
Gtk::ScrolledWindow _scroller;