mirror of https://github.com/libsdl-org/SDL
haiku: Implement message box for Haiku
Add implementation for functions: SDL_ShowSimpleMessageBox() SDL_ShowMessageBox() Add simple customization support also. Fix build for x86_gcc2. Partially fixes Bugzilla #4442.
This commit is contained in:
EXL
parent
a365c7f6fb
commit
b22fb9e2ba
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@ -132,7 +132,8 @@ typedef enum
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SDL_SYSWM_WINRT,
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SDL_SYSWM_ANDROID,
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SDL_SYSWM_VIVANTE,
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SDL_SYSWM_OS2
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SDL_SYSWM_OS2,
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SDL_SYSWM_HAIKU
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} SDL_SYSWM_TYPE;
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/**
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@ -48,13 +48,14 @@ extern "C" {
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static int SDL_BeAppActive = 0;
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static SDL_Thread *SDL_AppThread = NULL;
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/* Default application signature */
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const char *signature = "application/x-SDL-executable";
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static int
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StartBeApp(void *unused)
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{
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BApplication *App;
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// default application signature
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const char *signature = "application/x-SDL-executable";
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// dig resources for correct signature
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image_info info;
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int32 cookie = 0;
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@ -31,6 +31,9 @@ extern int SDL_InitBeApp(void);
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/* Quit the Be Application, if there's nothing left to do */
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extern void SDL_QuitBeApp(void);
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/* Be Application Signature*/
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extern const char *signature;
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/* vi: set ts=4 sw=4 expandtab: */
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#ifdef __cplusplus
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@ -3846,9 +3846,12 @@ SDL_IsScreenKeyboardShown(SDL_Window *window)
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#if SDL_VIDEO_DRIVER_X11
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#include "x11/SDL_x11messagebox.h"
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#endif
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#if SDL_VIDEO_DRIVER_HAIKU
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#include "haiku/SDL_bmessagebox.h"
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#endif
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#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_WINRT || SDL_VIDEO_DRIVER_COCOA || SDL_VIDEO_DRIVER_UIKIT || SDL_VIDEO_DRIVER_X11
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#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_WINRT || SDL_VIDEO_DRIVER_COCOA || SDL_VIDEO_DRIVER_UIKIT || SDL_VIDEO_DRIVER_X11 || SDL_VIDEO_DRIVER_HAIKU
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static SDL_bool SDL_MessageboxValidForDriver(const SDL_MessageBoxData *messageboxdata, SDL_SYSWM_TYPE drivertype)
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{
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SDL_SysWMinfo info;
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@ -3940,6 +3943,13 @@ SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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X11_ShowMessageBox(messageboxdata, buttonid) == 0) {
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retval = 0;
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}
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#endif
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#if SDL_VIDEO_DRIVER_HAIKU
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if (retval == -1 &&
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SDL_MessageboxValidForDriver(messageboxdata, SDL_SYSWM_HAIKU) &&
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BE_ShowMessageBox(messageboxdata, buttonid) == 0) {
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retval = 0;
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}
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#endif
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if (retval == -1) {
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SDL_SetError("No message system available");
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@ -0,0 +1,425 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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Copyright (C) 2018 EXL <exlmotodev@gmail.com>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_HAIKU
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#include "SDL_messagebox.h"
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/* For application signature. */
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#include "../../main/haiku/SDL_BeApp.h"
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#include <Alert.h>
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#include <Application.h>
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#include <Button.h>
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#include <Font.h>
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#include <Layout.h>
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#include <String.h>
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#include <TextView.h>
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#include <View.h>
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#include <Window.h>
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#include <InterfaceDefs.h>
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#include <SupportDefs.h>
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#include <GraphicsDefs.h>
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#include <new>
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#include <vector>
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#include <algorithm>
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enum
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{
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G_CLOSE_BUTTON_ID = -1,
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G_DEFAULT_BUTTON_ID = 0,
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G_MAX_STRING_LENGTH_BYTES = 120
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};
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class BE_SDL_MessageBox : public BAlert
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{
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float fComputedMessageBoxWidth;
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BTextView *fMessageBoxTextView;
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int fCloseButton;
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int fDefaultButton;
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bool fCustomColorScheme;
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bool fThereIsLongLine;
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rgb_color fTextColor;
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const char *fTitle;
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const char *BE_SDL_DefTitle;
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const char *BE_SDL_DefMessage;
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const char *BE_SDL_DefButton;
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std::vector<const SDL_MessageBoxButtonData *> fButtons;
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static bool
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SortButtonsPredicate(const SDL_MessageBoxButtonData *aButtonLeft,
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const SDL_MessageBoxButtonData *aButtonRight)
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{
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return aButtonLeft->buttonid < aButtonRight->buttonid;
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}
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alert_type
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ConvertMessageBoxType(const SDL_MessageBoxFlags aWindowType) const
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{
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switch (aWindowType)
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{
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default:
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case SDL_MESSAGEBOX_WARNING:
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{
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return B_WARNING_ALERT;
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}
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case SDL_MESSAGEBOX_ERROR:
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{
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return B_STOP_ALERT;
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}
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case SDL_MESSAGEBOX_INFORMATION:
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{
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return B_INFO_ALERT;
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}
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}
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}
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rgb_color
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ConvertColorType(const SDL_MessageBoxColor *aColor) const
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{
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rgb_color color = { aColor->r, aColor->g, aColor->b, color.alpha = 255 };
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return color;
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}
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int32
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GetLeftPanelWidth(void) const
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{
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// See file "haiku/src/kits/interface/Alert.cpp" for this magic numbers.
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// IconStripeWidth = 30 * Scale
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// IconSize = 32 * Scale
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// Scale = max_c(1, ((int32)be_plain_font->Size() + 15) / 16)
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// RealWidth = (IconStripeWidth * Scale) + (IconSize * Scale)
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int32 scale = max_c(1, ((int32)be_plain_font->Size() + 15) / 16);
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return (30 * scale) + (32 * scale);
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}
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void
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UpdateTextViewWidth(void)
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{
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fComputedMessageBoxWidth = fMessageBoxTextView->PreferredSize().Width() + GetLeftPanelWidth();
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}
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void
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ParseSdlMessageBoxData(const SDL_MessageBoxData *aMessageBoxData)
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{
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if (aMessageBoxData == NULL)
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{
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SetTitle(BE_SDL_DefTitle);
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SetMessageText(BE_SDL_DefMessage);
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AddButton(BE_SDL_DefButton);
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return;
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}
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if (aMessageBoxData->numbuttons <= 0)
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{
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AddButton(BE_SDL_DefButton);
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}
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else
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{
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AddSdlButtons(aMessageBoxData->buttons, aMessageBoxData->numbuttons);
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}
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if (aMessageBoxData->colorScheme != NULL)
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{
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fCustomColorScheme = true;
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ApplyAndParseColorScheme(aMessageBoxData->colorScheme);
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}
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(aMessageBoxData->title != NULL) ?
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SetTitle(aMessageBoxData->title) : SetTitle(BE_SDL_DefTitle);
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(aMessageBoxData->message != NULL) ?
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SetMessageText(aMessageBoxData->message) : SetMessageText(BE_SDL_DefMessage);
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SetType(ConvertMessageBoxType(static_cast<SDL_MessageBoxFlags>(aMessageBoxData->flags)));
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}
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void
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ApplyAndParseColorScheme(const SDL_MessageBoxColorScheme *aColorScheme)
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{
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SetBackgroundColor(&aColorScheme->colors[SDL_MESSAGEBOX_COLOR_BACKGROUND]);
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fTextColor = ConvertColorType(&aColorScheme->colors[SDL_MESSAGEBOX_COLOR_TEXT]);
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SetButtonColors(&aColorScheme->colors[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER],
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&aColorScheme->colors[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND],
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&aColorScheme->colors[SDL_MESSAGEBOX_COLOR_TEXT],
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&aColorScheme->colors[SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED]);
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}
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void
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SetButtonColors(const SDL_MessageBoxColor *aBorderColor,
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const SDL_MessageBoxColor *aBackgroundColor,
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const SDL_MessageBoxColor *aTextColor,
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const SDL_MessageBoxColor *aSelectedColor)
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{
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if (fCustomColorScheme)
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{
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int32 countButtons = CountButtons();
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for (int i = 0; i < countButtons; ++i)
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{
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ButtonAt(i)->SetViewColor(ConvertColorType(aBorderColor));
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ButtonAt(i)->SetLowColor(ConvertColorType(aBackgroundColor));
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// This doesn't work. See this why:
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// https://github.com/haiku/haiku/commit/de9c53f8f5008c7b3b0af75d944a628e17f6dffe
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// Let it remain.
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ButtonAt(i)->SetHighColor(ConvertColorType(aTextColor));
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}
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}
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// TODO: Not Implemented.
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// Is it even necessary?!
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(void)aSelectedColor;
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}
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void
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SetBackgroundColor(const SDL_MessageBoxColor *aColor)
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{
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rgb_color background = ConvertColorType(aColor);
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GetLayout()->View()->SetViewColor(background);
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// See file "haiku/src/kits/interface/Alert.cpp", the "TAlertView" is the internal name of the left panel.
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FindView("TAlertView")->SetViewColor(background);
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fMessageBoxTextView->SetViewColor(background);
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}
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bool
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CheckLongLines(const char *aMessage)
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{
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int final = 0;
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// This UTF-8 friendly.
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BString message = aMessage;
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int32 length = message.CountChars();
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for (int i = 0, c = 0; i < length; ++i)
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{
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c++;
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if (*(message.CharAt(i)) == '\n')
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{
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c = 0;
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}
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if (c > final)
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{
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final = c;
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}
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}
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return (final > G_MAX_STRING_LENGTH_BYTES);
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}
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void
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SetMessageText(const char *aMessage)
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{
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fThereIsLongLine = CheckLongLines(aMessage);
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if (fThereIsLongLine)
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{
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fMessageBoxTextView->SetWordWrap(true);
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}
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rgb_color textColor = ui_color(B_PANEL_TEXT_COLOR);
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if (fCustomColorScheme)
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{
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textColor = fTextColor;
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}
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/*
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if (fNoTitledWindow)
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{
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fMessageBoxTextView->SetFontAndColor(be_bold_font);
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fMessageBoxTextView->Insert(fTitle);
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fMessageBoxTextView->Insert("\n\n");
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fMessageBoxTextView->SetFontAndColor(be_plain_font);
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}
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*/
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fMessageBoxTextView->SetFontAndColor(be_plain_font, B_FONT_ALL, &textColor);
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fMessageBoxTextView->Insert(aMessage);
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// Be sure to call update width method.
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UpdateTextViewWidth();
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}
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void
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AddSdlButtons(const SDL_MessageBoxButtonData *aButtons, int aNumButtons)
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{
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for (int i = 0; i < aNumButtons; ++i)
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{
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fButtons.push_back(&aButtons[i]);
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}
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std::sort(fButtons.begin(), fButtons.end(), &BE_SDL_MessageBox::SortButtonsPredicate);
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size_t countButtons = fButtons.size();
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for (size_t i = 0; i < countButtons; ++i)
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{
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switch (fButtons[i]->flags)
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{
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case SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT:
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{
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fCloseButton = static_cast<int>(i);
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break;
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}
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case SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT:
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{
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fDefaultButton = static_cast<int>(i);
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break;
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}
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default:
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{
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break;
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}
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}
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AddButton(fButtons[i]->text);
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}
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SetDefaultButton(ButtonAt(fDefaultButton));
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}
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public:
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explicit
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BE_SDL_MessageBox(const SDL_MessageBoxData *aMessageBoxData)
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: BAlert(NULL, NULL, NULL, NULL, NULL, B_WIDTH_FROM_LABEL, B_WARNING_ALERT),
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fComputedMessageBoxWidth(0.0f),
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fCloseButton(G_CLOSE_BUTTON_ID), fDefaultButton(G_DEFAULT_BUTTON_ID),
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fCustomColorScheme(false), fThereIsLongLine(false),
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BE_SDL_DefTitle("SDL2 MessageBox"),
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BE_SDL_DefMessage("Some information has been lost."),
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BE_SDL_DefButton("OK")
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{
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// MessageBox settings.
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// We need a title to display it.
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SetLook(B_TITLED_WINDOW_LOOK);
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SetFlags(Flags() | B_CLOSE_ON_ESCAPE);
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// MessageBox TextView settings.
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fMessageBoxTextView = TextView();
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fMessageBoxTextView->SetWordWrap(false);
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fMessageBoxTextView->SetStylable(true);
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ParseSdlMessageBoxData(aMessageBoxData);
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}
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int
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GetCloseButtonId(void) const
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{
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return fCloseButton;
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}
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virtual
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~BE_SDL_MessageBox(void)
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{
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fButtons.clear();
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}
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protected:
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virtual void
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FrameResized(float aNewWidth, float aNewHeight)
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{
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if (fComputedMessageBoxWidth > aNewWidth)
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{
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ResizeTo(fComputedMessageBoxWidth, aNewHeight);
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}
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else
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{
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BAlert::FrameResized(aNewWidth, aNewHeight);
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}
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}
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virtual void
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SetTitle(const char* aTitle)
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{
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fTitle = aTitle;
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BAlert::SetTitle(aTitle);
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}
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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int
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BE_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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{
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// Initialize button by closed or error value first.
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*buttonid = G_CLOSE_BUTTON_ID;
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// We need to check "be_app" pointer to "NULL". The "messageboxdata->window" pointer isn't appropriate here
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// because it is possible to create a MessageBox from another thread. This fixes the following errors:
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// "You need a valid BApplication object before interacting with the app_server."
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// "2 BApplication objects were created. Only one is allowed."
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BApplication *application = NULL;
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if (be_app == NULL)
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{
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application = new(std::nothrow) BApplication(signature);
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if (application == NULL)
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{
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return SDL_SetError("Cannot create the BApplication object. Lack of memory?");
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}
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}
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BE_SDL_MessageBox *SDL_MessageBox = new(std::nothrow) BE_SDL_MessageBox(messageboxdata);
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if (SDL_MessageBox == NULL)
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{
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return SDL_SetError("Cannot create the BE_SDL_MessageBox (BAlert inheritor) object. Lack of memory?");
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}
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const int closeButton = SDL_MessageBox->GetCloseButtonId();
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int pushedButton = SDL_MessageBox->Go();
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// The close button is equivalent to pressing Escape.
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if (closeButton != G_CLOSE_BUTTON_ID && pushedButton == G_CLOSE_BUTTON_ID)
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{
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pushedButton = closeButton;
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}
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// It's deleted by itself after the "Go()" method was executed.
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/*
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if (messageBox != NULL)
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{
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delete messageBox;
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}
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*/
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if (application != NULL)
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{
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delete application;
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}
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// Initialize button by real pushed value then.
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*buttonid = pushedButton;
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return 0;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* SDL_VIDEO_DRIVER_HAIKU */
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/* vi: set ts=4 sw=4 expandtab: */
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@ -0,0 +1,45 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
|
||||
Copyright (C) 2018 EXL <exlmotodev@gmail.com>
|
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|
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This software is provided 'as-is', without any express or implied
|
||||
warranty. In no event will the authors be held liable for any damages
|
||||
arising from the use of this software.
|
||||
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it
|
||||
freely, subject to the following restrictions:
|
||||
|
||||
1. The origin of this software must not be misrepresented; you must not
|
||||
claim that you wrote the original software. If you use this software
|
||||
in a product, an acknowledgment in the product documentation would be
|
||||
appreciated but is not required.
|
||||
2. Altered source versions must be plainly marked as such, and must not be
|
||||
misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
*/
|
||||
|
||||
#ifndef SDL_BMESSAGEBOX_H
|
||||
#define SDL_BMESSAGEBOX_H
|
||||
|
||||
#include "../../SDL_internal.h"
|
||||
|
||||
#if SDL_VIDEO_DRIVER_HAIKU
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern int
|
||||
BE_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* SDL_VIDEO_DRIVER_HAIKU */
|
||||
|
||||
#endif
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
|
|
@ -26,6 +26,8 @@
|
|||
#include "SDL_BWin.h"
|
||||
#include <new>
|
||||
|
||||
#include "SDL_syswm.h"
|
||||
|
||||
/* Define a path to window's BWIN data */
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
|
|
@ -217,7 +219,15 @@ void HAIKU_DestroyWindow(_THIS, SDL_Window * window) {
|
|||
SDL_bool HAIKU_GetWindowWMInfo(_THIS, SDL_Window * window,
|
||||
struct SDL_SysWMinfo *info) {
|
||||
/* FIXME: What is the point of this? What information should be included? */
|
||||
return SDL_FALSE;
|
||||
if (info->version.major == SDL_MAJOR_VERSION &&
|
||||
info->version.minor == SDL_MINOR_VERSION) {
|
||||
info->subsystem = SDL_SYSWM_HAIKU;
|
||||
return SDL_TRUE;
|
||||
} else {
|
||||
SDL_SetError("Application not compiled with SDL %d.%d",
|
||||
SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
|
||||
return SDL_FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue