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apps/graphics/twm4nx: Exploit the new feature to create hidden windows. This cleans up some brief window startup anomalies. Also fixes an initialization error in CMenus.

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This commit is contained in:
Gregory Nutt 2019-05-07 08:51:37 -06:00
parent b512ec0235
commit b0d39372fb
5 changed files with 35 additions and 15 deletions
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8
graphics/twm4nx/src/ciconmgr.cxx
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@ -527,11 +527,13 @@ bool CIconMgr::createIconManagerWindow(FAR const char *prefix)
// WFLAGS_NO_RESIZE_BUTTON: The user cannot control the Icon Manager
// window size
// WFLAGS_IS_ICONMGR: Yes, this is the Icon Manager window
// WFLAGS_HIDDEN_WINDOW: The window is created in the hidden state
CWindowFactory *factory = m_twm4nx->getWindowFactory();
uint8_t wflags = (WFLAGS_NO_MENU_BUTTON | WFLAGS_NO_DELETE_BUTTON |
WFLAGS_NO_RESIZE_BUTTON | WFLAGS_IS_ICONMGR);
WFLAGS_NO_RESIZE_BUTTON | WFLAGS_IS_ICONMGR |
WFLAGS_HIDDEN_WINDOW);
m_window = factory->createWindow(name, &CONFIG_TWM4NX_ICONMGR_IMAGE,
this, wflags);
@ -542,10 +544,6 @@ bool CIconMgr::createIconManagerWindow(FAR const char *prefix)
return false;
}
// Hide the window until we complete the configuration
m_window->hideWindow();
// Free any temporary name strings
if (allocName != (FAR char *)0)

18
graphics/twm4nx/src/cmenus.cxx
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@ -94,6 +94,8 @@ CMenus::CMenus(CTwm4Nx *twm4nx)
// Menus
m_menuHead = (FAR struct SMenuItem *)0; // No menu items
m_menuTail = (FAR struct SMenuItem *)0; // No menu items
m_popUpMenu = (FAR CMenus *)0; // No pop-up menu
m_activeItem = (FAR struct SMenuItem *)0; // No active menu item
m_nMenuItems = 0; // No menu items yet
@ -461,7 +463,8 @@ void CMenus::identify(FAR CWindow *cwin)
}
/**
* Create the menu window
* Create the menu window. Menu windows are always created in the hidden
* state. When the menu is selected, then it should be shown.
*
* @result True is returned on success
*/
@ -478,9 +481,11 @@ bool CMenus::createMenuWindow(void)
FAR CWindowEvent *control = new CWindowEvent(m_twm4nx, (FAR void *)this);
// 4. Create the menu window
// 4. Create the menu window. Menu windows are always created in the
// hidden state. When the menu is selected, then it should be shown.
m_menuWindow = m_twm4nx->createFramedWindow(control, NXBE_WINDOW_RAMBACKED);
uint8_t cflags = (NXBE_WINDOW_RAMBACKED | NXBE_WINDOW_HIDDEN);
m_menuWindow = m_twm4nx->createFramedWindow(control, cflags);
if (m_menuWindow == (FAR NXWidgets::CNxTkWindow *)0)
{
delete control;
@ -537,9 +542,12 @@ bool CMenus::setMenuWindowSize(void)
m_entryHeight = menuFont->getHeight() + 4;
// Get the length of the longest item string in in the menu
// Get the length of the title
nxgl_coord_t maxstring = menuFont->getStringWidth(m_menuName);
// Compare that to the length of the longest item string in in the menu
nxgl_coord_t maxstring = 0;
for (FAR struct SMenuItem *curr = m_menuHead;
curr != NULL;
curr = curr->flink)

14
graphics/twm4nx/src/cwindow.cxx
View File

@ -249,7 +249,7 @@ bool CWindow::initialize(FAR const char *name,
// Create the main window
if (!createMainWindow(&winsize, pos))
if (!createMainWindow(&winsize, pos, flags))
{
twmerr("ERROR: createMainWindow() failed\n");
cleanup();
@ -662,10 +662,12 @@ bool CWindow::event(FAR struct SEventMsg *eventmsg)
*
* @param winsize The initial window size
* @param winpos The initial window position
* @param flags Toolbar customizations see WFLAGS_NO_* definitions
*/
bool CWindow::createMainWindow(FAR const nxgl_size_s *winsize,
FAR const nxgl_point_s *winpos)
FAR const nxgl_point_s *winpos,
uint8_t flags)
{
// 1. Get the server instance. m_twm4nx inherits from NXWidgets::CNXServer
// so we all ready have the server instance.
@ -678,7 +680,13 @@ bool CWindow::createMainWindow(FAR const nxgl_size_s *winsize,
// 4. Create the window
m_nxWin = m_twm4nx->createFramedWindow(control, NXBE_WINDOW_RAMBACKED);
uint8_t cflags = NXBE_WINDOW_RAMBACKED;
if (WFLAGS_IS_HIDDEN_WINDOW(flags))
{
cflags |= NXBE_WINDOW_HIDDEN;
}
m_nxWin = m_twm4nx->createFramedWindow(control, cflags);
if (m_nxWin == (FAR NXWidgets::CNxTkWindow *)0)
{
delete control;

3
include/graphics/twm4nx/cmenus.hxx
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@ -176,7 +176,8 @@ namespace Twm4Nx
}
/**
* Create the menu window
* Create the menu window. Menu windows are always created in the
* hidden state. When the menu is selected, then it should be shown.
*
* @result True is returned on success
*/

7
include/graphics/twm4nx/cwindow.hxx
View File

@ -87,6 +87,7 @@
#define NO_TOOLBAR (NTOOLBAR_BUTTONS + 0)
#define ICONMGR_WINDOW (NTOOLBAR_BUTTONS + 1)
#define HIDDEN_WINDOW (NTOOLBAR_BUTTONS + 2)
#define WFLAGS_NO_MENU_BUTTON (1 << MENU_BUTTON)
#define WFLAGS_NO_DELETE_BUTTON (1 << DELETE_BUTTON)
@ -94,6 +95,7 @@
#define WFLAGS_NO_MINIMIZE_BUTTON (1 << MINIMIZE_BUTTON)
#define WFLAGS_NO_TOOLBAR (1 << NO_TOOLBAR)
#define WFLAGS_IS_ICONMGR (1 << ICONMGR_WINDOW)
#define WFLAGS_HIDDEN_WINDOW (1 << HIDDEN_WINDOW)
#define WFLAGS_HAVE_MENU_BUTTON(f) (((f) & WFLAGS_NO_MENU_BUTTON) == 0)
#define WFLAGS_HAVE_DELETE_BUTTON(f) (((f) & WFLAGS_NO_DELETE_BUTTON) == 0)
@ -101,6 +103,7 @@
#define WFLAGS_HAVE_MINIMIZE_BUTTON(f) (((f) & WFLAGS_NO_MINIMIZE_BUTTON) == 0)
#define WFLAGS_HAVE_TOOLBAR(f) (((f) & WFLAGS_NO_TOOLBAR) == 0)
#define WFLAGS_IS_ICONMGR_WINDOW(f) (((f) & WFLAGS_IS_ICONMGR) != 0)
#define WFLAGS_IS_HIDDEN_WINDOW(f) (((f) & WFLAGS_HIDDEN_WINDOW) != 0)
/////////////////////////////////////////////////////////////////////////////
// Implementation Classes
@ -172,10 +175,12 @@ namespace Twm4Nx
*
* @param winsize The initial window size
* @param winpos The initial window position
* @param flags Toolbar customizations see WFLAGS_NO_* definitions
*/
bool createMainWindow(FAR const nxgl_size_s *winsize,
FAR const nxgl_point_s *winpos);
FAR const nxgl_point_s *winpos,
uint8_t flags);
/**
* Calculate the height of the tool bar