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b08e66855a
Genesis-Plus-GX/source/gx/gui/gui.c
ekeeke31 b08e66855a +added proper license/copyright stuff 
~modified file headers
~separated GUI engine from menus
2009-05-13 14:26:55 +00:00

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/****************************************************************************
* menu.c
*
* GUI Engine, using GX hardware
*
* Eke-Eke (2009)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
***************************************************************************/
#include "shared.h"
#include "gui.h"
#include "font.h"
#ifdef HW_RVL
gx_texture *w_pointer;
#endif
/* background color */
static GXColor bg_color;
/* prompt window button data */
static butn_data button_text_data =
{
{NULL,NULL},
{Button_text_png,Button_text_over_png}
};
/*****************************************************************************/
/* Generic GUI routines */
/*****************************************************************************/
/* Allocate texture images data */
void GUI_InitMenu(gui_menu *menu)
{
int i;
gui_item *item;
gui_butn *button;
gui_image *image;
/* background elements */
for (i=0; i<menu->max_images; i++)
{
image = &menu->bg_images[i];
image->texture = gxTextureOpenPNG(image->data,0);
}
for (i=0; i<2; i++)
{
/* key helpers */
item = menu->helpers[i];
if (item)
item->texture = gxTextureOpenPNG(item->data,0);
/* arrows */
button = menu->arrows[i];
if (button)
{
if (!button->data->texture[0])
button->data->texture[0] = gxTextureOpenPNG(button->data->image[0],0);
if (!button->data->texture[1])
button->data->texture[1] = gxTextureOpenPNG(button->data->image[1],0);
/* initial state */
button->state &= ~BUTTON_VISIBLE;
if (((i==0) && (menu->offset != 0)) || ((i==1) && (menu->offset + menu->max_buttons) < menu->max_items))
button->state |= BUTTON_VISIBLE;
}
}
/* menu buttons */
for (i=0; i<menu->max_buttons; i++)
{
button = &menu->buttons[i];
if (button->data)
{
if (!button->data->texture[0])
button->data->texture[0] = gxTextureOpenPNG(button->data->image[0],0);
if (!button->data->texture[1])
button->data->texture[1] = gxTextureOpenPNG(button->data->image[1],0);
}
}
/* menu items */
for (i=0; i<menu->max_items; i++)
{
item = &menu->items[i];
if (item->data)
item->texture = gxTextureOpenPNG(item->data,0);
}
}
/* release allocated memory */
void GUI_DeleteMenu(gui_menu *menu)
{
int i;
gui_butn *button;
gui_item *item;
gui_image *image;
/* background elements */
for (i=0; i<menu->max_images; i++)
{
image = &menu->bg_images[i];
gxTextureClose(&image->texture);
}
for (i=0; i<2; i++)
{
/* key helpers */
item = menu->helpers[i];
if (item)
gxTextureClose(&item->texture);
/* arrows */
button = menu->arrows[i];
if (button)
{
gxTextureClose(&button->data->texture[0]);
gxTextureClose(&button->data->texture[1]);
}
}
/* menu buttons */
for (i=0; i<menu->max_buttons; i++)
{
button = &menu->buttons[i];
if (button->data)
{
gxTextureClose(&button->data->texture[0]);
gxTextureClose(&button->data->texture[1]);
}
}
/* menu items */
for (i=0; i<menu->max_items; i++)
{
item = &menu->items[i];
gxTextureClose(&item->texture);
}
}
/* set default background */
void GUI_SetBgColor(GXColor color)
{
bg_color.r = color.r;
bg_color.g = color.g;
bg_color.b = color.b;
bg_color.a = color.a;
}
/* Menu Rendering */
void GUI_DrawMenu(gui_menu *menu)
{
int i;
gui_item *item;
gui_butn *button;
gui_image *image;
/* background color */
if (menu->screenshot)
{
gxClearScreen((GXColor)BLACK);
gxDrawScreenshot(128);
}
else
{
gxClearScreen(bg_color);
}
/* background elements */
for (i=0; i<menu->max_images; i++)
{
image = &menu->bg_images[i];
if (image->state & IMAGE_REPEAT)
gxDrawTextureRepeat(image->texture,image->x,image->y,image->w,image->h,image->alpha);
else if (image->state & IMAGE_VISIBLE)
gxDrawTexture(image->texture,image->x,image->y,image->w,image->h,image->alpha);
}
/* menu title */
FONT_write(menu->title, 22,10,56,640,(GXColor)WHITE);
/* draw buttons + items */
for (i=0; i<menu->max_buttons; i++)
{
button = &menu->buttons[i];
if (button->state & BUTTON_VISIBLE)
{
/* draw button + items */
item = &menu->items[menu->offset +i];
if ((i == menu->selected) && (button->state & BUTTON_ACTIVE))
{
if (button->data) gxDrawTexture(button->data->texture[1],button->x-4,button->y-4,button->w+8,button->h+8,255);
if (item->texture)
{
gxDrawTexture(item->texture, item->x-4,item->y-4,item->w+8,item->h+8,255);
FONT_writeCenter(item->text,18,button->x+4,item->x-4,button->y+(button->h - 36)/2+18,(GXColor)DARK_GREY);
}
else
{
FONT_writeCenter(item->text,18,item->x+2,item->x+item->w+2,button->y+(button->h-18)/2+18,(GXColor)DARK_GREY);
}
/* update help comment */
if (menu->helpers[1]) strcpy(menu->helpers[1]->comment,item->comment);
}
else
{
if (button->data)
gxDrawTexture(button->data->texture[0],button->x,button->y,button->w, button->h,255);
if (item->texture)
{
gxDrawTexture(item->texture,item->x,item->y,item->w,item->h,255);
FONT_writeCenter(item->text,16,button->x+8,item->x,button->y+(button->h - 32)/2+16,(GXColor)DARK_GREY);
}
else
{
FONT_writeCenter(item->text,16,item->x,item->x+item->w,button->y+(button->h - 16)/2+16,(GXColor)DARK_GREY);
}
}
}
}
/* draw arrow */
for (i=0; i<2; i++)
{
button = menu->arrows[i];
if (button)
{
if (button->state & BUTTON_VISIBLE)
{
if (menu->selected == (menu->max_buttons + i))
gxDrawTexture(button->data->texture[1],button->x-2,button->y-2,button->w+4,button->h+4,255);
else
gxDrawTexture(button->data->texture[0],button->x,button->y,button->w, button->h,255);
}
}
}
/* left comment */
item = menu->helpers[0];
if (item)
{
gxDrawTexture(item->texture,item->x,item->y,item->w,item->h,255);
FONT_write(item->comment,16,item->x+item->w+6,item->y+(item->h-16)/2 + 16,640,(GXColor)WHITE);
}
/* right comment */
item = menu->helpers[1];
if (item)
{
if (menu->selected < menu->max_buttons)
{
gxDrawTexture(item->texture,item->x,item->y,item->w,item->h,255);
FONT_alignRight(item->comment,16,item->x-6,item->y+(item->h-16)/2+16,(GXColor)WHITE);
}
}
}
/* Menu Transitions effect */
void GUI_DrawMenuFX(gui_menu *menu, u8 speed, u8 out)
{
int i,temp,xoffset,yoffset;
int max_offset = 0;
u8 item_alpha = 255;
GXColor text_color = DARK_GREY;
gui_item *item;
gui_butn *button;
gui_image *image;
/* find maximal offset */
for (i=0; i<menu->max_images; i++)
{
image = &menu->bg_images[i];
if (image->state & IMAGE_SLIDE_LEFT)
{
temp = image->x + image->w;
if (max_offset < temp) max_offset = temp;
}
else if (image->state & IMAGE_SLIDE_RIGHT)
{
temp = 640 - image->x;
if (max_offset < temp) max_offset = temp;
}
if (image->state & IMAGE_SLIDE_TOP)
{
temp = image->y + image->h;
if (max_offset < temp) max_offset = temp;
}
else if (image->state & IMAGE_SLIDE_BOTTOM)
{
temp = 480 - image->y;
if (max_offset < temp) max_offset = temp;
}
}
temp = max_offset;
/* Alpha steps */
int alpha = out ? 255 : 0;
int alpha_step = (255 * speed) / max_offset;
if (out) alpha_step = -alpha_step;
/* Let's loop until final position has been reached */
while (temp > 0)
{
/* background color */
if (menu->screenshot)
{
gxClearScreen((GXColor)BLACK);
if (alpha > 127) gxDrawScreenshot(128);
else gxDrawScreenshot(255 - alpha);
}
else
{
gxClearScreen(bg_color);
}
/* background images */
for (i=0; i<menu->max_images; i++)
{
image = &menu->bg_images[i];
/* X offset */
if (image->state & IMAGE_SLIDE_LEFT)
xoffset = out ? (temp - max_offset) : (-temp);
else if (image->state & IMAGE_SLIDE_RIGHT)
xoffset = out ? (max_offset - temp) : (temp);
else
xoffset = 0;
/* Y offset */
if (image->state & IMAGE_SLIDE_TOP)
yoffset = out ? (temp - max_offset) : (-temp);
else if (image->state & IMAGE_SLIDE_BOTTOM)
yoffset = out ? (max_offset - temp) : (temp);
else
yoffset = 0;
/* draw image */
if ((image->state & IMAGE_FADE) && ((out && (image->alpha > alpha)) || (!out && (image->alpha < alpha))))
{
/* FADE In-Out */
if (image->state & IMAGE_REPEAT) gxDrawTextureRepeat(image->texture,image->x+xoffset,image->y+yoffset,image->w,image->h,alpha);
else if (image->state & IMAGE_VISIBLE)gxDrawTexture(image->texture,image->x+xoffset,image->y+yoffset,image->w,image->h,alpha);
}
else
{
if (image->state & IMAGE_REPEAT) gxDrawTextureRepeat(image->texture,image->x+xoffset,image->y+yoffset,image->w,image->h,image->alpha);
else if (image->state & IMAGE_VISIBLE)gxDrawTexture(image->texture,image->x+xoffset,image->y+yoffset,image->w,image->h,image->alpha);
}
}
/* menu title */
if (menu->bg_images[2].state & IMAGE_SLIDE_TOP)
{
FONT_write(menu->title, 22,10,out ? (56 + temp - max_offset) : (56 -temp),640,(GXColor)WHITE);
}
else
{
FONT_write(menu->title, 22,10,56,640,(GXColor)WHITE);
}
/* draw buttons + items */
for (i=0; i<menu->max_buttons; i++)
{
button = &menu->buttons[i];
if (button->state & BUTTON_VISIBLE)
{
/* X offset */
if (button->state & BUTTON_SLIDE_LEFT)
xoffset = out ? (temp - max_offset) : (-temp);
else if (button->state & BUTTON_SLIDE_RIGHT)
xoffset = out ? (max_offset - temp) : (temp);
else
xoffset = 0;
/* Y offset */
if (button->state & BUTTON_SLIDE_TOP)
yoffset = out ? (temp - max_offset) : (-temp);
else if (button->state & BUTTON_SLIDE_BOTTOM)
yoffset = out ? (max_offset - temp) : (temp);
else
yoffset = 0;
/* Alpha transparency */
if (button->state & BUTTON_FADE)
{
item_alpha = alpha;
text_color.a = alpha;
}
else
{
item_alpha = 255;
text_color.a = 255;
}
/* draw button + items */
item = &menu->items[menu->offset + i];
if (button->data) gxDrawTexture(button->data->texture[0],button->x+xoffset,button->y+yoffset,button->w, button->h,item_alpha);
if (item->texture)
{
gxDrawTexture(item->texture,item->x+xoffset,item->y+yoffset,item->w,item->h,item_alpha);
FONT_writeCenter(item->text,16,button->x+xoffset+8,item->x+xoffset,button->y+yoffset+(button->h - 32)/2+16,text_color);
}
else
{
FONT_writeCenter(item->text,16,item->x+xoffset,item->x+item->w+xoffset,button->y+yoffset+(button->h - 16)/2+16,text_color);
}
}
}
/* update offset */
temp -= speed;
/* update alpha */
alpha += alpha_step;
if (alpha > 255) alpha = 255;
else if (alpha < 0) alpha = 0;
/* copy EFB to XFB */
gxSetScreen ();
}
/* final position */
if (!out)
{
GUI_DrawMenu(menu);
gxSetScreen ();
}
else if (menu->screenshot)
{
gxClearScreen((GXColor)BLACK);
gxDrawScreenshot(255);
gxSetScreen ();
}
}
/* Basic Fading */
void GUI_FadeOut()
{
int alpha = 0;
while (alpha < 256)
{
gxDrawRectangle(0, 0, 640, 480, alpha, (GXColor)BLACK);
gxSetScreen();
alpha +=3;
}
}
/* Window Prompt */
/* prompt window slides in & out */
int GUI_WindowPrompt(gui_menu *parent, char *title, char *items[], u8 nb_items)
{
int i, ret, quit = 0;
s32 selected = 0;
s32 old;
butn_data *data = &button_text_data;
s16 p;
#ifdef HW_RVL
int x,y;
struct orient_t orient;
#endif
/* initialize buttons data */
data->texture[0] = gxTextureOpenPNG(data->image[0],0);
data->texture[1] = gxTextureOpenPNG(data->image[1],0);
/* initialize texture window */
gx_texture *window = gxTextureOpenPNG(Frame_s1_png,0);
gx_texture *top = gxTextureOpenPNG(Frame_s1_title_png,0);
/* get initial positions */
int w = data->texture[0]->width;
int h = data->texture[0]->height;
int xwindow = (640 - window->width)/2;
int ywindow = (480 - window->height)/2;
int xpos = xwindow + (window->width - w)/2;
int ypos = (window->height - top->height - (h*nb_items) - (nb_items-1)*20)/2;
ypos = ypos + ywindow + top->height;
/* set initial vertical offset */
int yoffset = ywindow + window->height;
/* reset help comment */
if (parent->helpers[1]) strcpy(parent->helpers[1]->comment,"");
/* slide in */
while (yoffset > 0)
{
/* draw parent menu */
GUI_DrawMenu(parent);
/* draw window */
gxDrawTexture(window,xwindow,ywindow-yoffset,window->width,window->height,230);
gxDrawTexture(top,xwindow,ywindow-yoffset,top->width,top->height,255);
/* draw title */
FONT_writeCenter(title,20,xwindow,xwindow+window->width,ywindow+(top->height-20)/2+20-yoffset,(GXColor)WHITE);
/* draw buttons + text */
for (i=0; i<nb_items; i++)
{
gxDrawTexture(data->texture[0],xpos,ypos+i*(20 + h)-yoffset,w,h,255);
FONT_writeCenter(items[i],18,xpos,xpos+w,ypos+i*(20 + h)+(h + 18)/2- yoffset,(GXColor)DARK_GREY);
}
/* update display */
gxSetScreen ();
/* slide speed */
yoffset -= 60;
}
/* draw menu */
while (quit == 0)
{
/* draw parent menu (should have been initialized first) */
GUI_DrawMenu(parent);
/* draw window */
gxDrawTexture(window,xwindow,ywindow,window->width,window->height,230);
gxDrawTexture(top,xwindow,ywindow,top->width,top->height,255);
/* draw title */
FONT_writeCenter(title,20,xwindow,xwindow+window->width,ywindow+(top->height-20)/2+20,(GXColor)WHITE);
/* draw buttons + text */
for (i=0; i<nb_items; i++)
{
if (i==selected)
{
gxDrawTexture(data->texture[1],xpos-4,ypos+i*(20+h)-4,w+8,h+8,255);
FONT_writeCenter(items[i],22,xpos,xpos+w,ypos+i*(20+h)+(h+22)/2,(GXColor)DARK_GREY);
}
else
{
gxDrawTexture(data->texture[0],xpos,ypos+i*(20 + h),w,h,255);
FONT_writeCenter(items[i],18,xpos,xpos+w,ypos+i*(20+h)+(h+18)/2,(GXColor)DARK_GREY);
}
}
old = selected;
p = m_input.keys;
#ifdef HW_RVL
if (Shutdown)
{
gxTextureClose(&w_pointer);
GUI_DeleteMenu(parent);
GUI_FadeOut();
shutdown();
SYS_ResetSystem(SYS_POWEROFF, 0, 0);
}
else if (m_input.ir.valid)
{
/* get cursor position */
x = m_input.ir.x;
y = m_input.ir.y;
/* draw wiimote pointer */
WPAD_Orientation(0,&orient);
gxResetAngle(orient.roll);
gxDrawTexture(w_pointer,x,y,w_pointer->width,w_pointer->height,255);
gxResetAngle(0.0);
/* check for valid buttons */
selected = -1;
for (i=0; i<nb_items; i++)
{
if ((x>=xpos)&&(x<=(xpos+w))&&(y>=ypos+i*(20 + h))&&(y<=(ypos+i*(20+h)+h)))
{
selected = i;
break;
}
}
}
else
{
/* reinitialize selection */
if (selected == -1) selected = 0;
}
#endif
/* update screen */
gxSetScreen ();
/* update selection */
if (p&PAD_BUTTON_UP)
{
if (selected > 0) selected --;
}
else if (p&PAD_BUTTON_DOWN)
{
if (selected < (nb_items -1)) selected ++;
}
/* sound fx */
if (selected != old)
{
if (selected >= 0)
{
ASND_SetVoice(ASND_GetFirstUnusedVoice(),VOICE_MONO_16BIT,22050,0,(u8 *)button_over_pcm,button_over_pcm_size,
((int)config.sfx_volume * 255) / 100,((int)config.sfx_volume * 255) / 100,NULL);
}
}
if (p & PAD_BUTTON_A)
{
if (selected >= 0)
{
quit = 1;
ret = selected;
}
}
else if (p & PAD_BUTTON_B)
{
quit = 1;
ret = -1;
}
}
/* reset initial vertical offset */
yoffset = 0;
/* slide out */
while (yoffset < (ywindow + window->height))
{
/* draw parent menu */
GUI_DrawMenu(parent);
/* draw window + header */
gxDrawTexture(window,xwindow,ywindow-yoffset,window->width,window->height,230);
gxDrawTexture(top,xwindow,ywindow-yoffset,top->width,top->height,255);
/* draw title */
FONT_writeCenter(title,20,xwindow,xwindow+window->width,ywindow+(top->height-20)/2+20-yoffset,(GXColor)WHITE);
/* draw buttons + text */
for (i=0; i<nb_items; i++)
{
gxDrawTexture(data->texture[0],xpos,ypos+i*(20+h)-yoffset,w,h,255);
FONT_writeCenter(items[i],18,xpos,xpos+w,ypos+i*(20+h)+(h+18)/2-yoffset,(GXColor)WHITE);
}
yoffset += 60;
gxSetScreen ();
}
/* final position */
GUI_DrawMenu(parent);
gxSetScreen ();
/* close textures */
gxTextureClose(&window);
gxTextureClose(&data->texture[0]);
gxTextureClose(&data->texture[1]);
return ret;
}
int GUI_UpdateMenu(gui_menu *menu)
{
u16 p;
int ret = 0;
int selected = menu->selected;
int max_items = menu->max_items;
int max_buttons = menu->max_buttons;
gui_butn *button;
#ifdef HW_RVL
int i,x,y;
struct orient_t orient;
if (Shutdown)
{
GUI_DeleteMenu(menu);
GUI_FadeOut();
shutdown();
SYS_ResetSystem(SYS_POWEROFF, 0, 0);
}
else if (m_input.ir.valid)
{
/* get cursor position */
x = m_input.ir.x;
y = m_input.ir.y;
/* draw wiimote pointer */
WPAD_Orientation(0,&orient);
gxResetAngle(orient.roll);
gxDrawTexture(w_pointer,x,y,w_pointer->width,w_pointer->height,255);
gxResetAngle(0.0);
/* check for valid buttons */
selected = max_buttons + 2;
for (i=0; i<max_buttons; i++)
{
button = &menu->buttons[i];
if ((button->state & BUTTON_ACTIVE)&&(x>=button->x)&&(x<=(button->x+button->w))&&(y>=button->y)&&(y<=(button->y+button->h)))
{
selected = i;
break;
}
}
for (i=0; i<2; i++)
{
button = menu->arrows[i];
if (button)
{
if (button->state & BUTTON_VISIBLE)
{
if ((x<=(button->x+button->w))&&(y>=button->y)&&(y<=(button->y+button->h)))
{
selected = max_buttons + i;
break;
}
}
}
}
}
else
{
/* reinitialize selection */
if (selected >= menu->max_buttons) selected = 0;
}
#endif
/* update screen */
gxSetScreen ();
/* update menu */
p = m_input.keys;
if (selected < max_buttons)
{
button = &menu->buttons[selected];
if (p & PAD_BUTTON_UP)
{
selected -= button->shift[0];
if (selected < 0)
{
selected = 0;
if (menu->offset)
menu->offset --;
}
}
else if (p & PAD_BUTTON_DOWN)
{
selected += button->shift[1];
if (selected >= max_buttons)
{
selected = max_buttons - 1;
if ((menu->offset + selected < (max_items - 1)))
menu->offset ++;
}
}
else if (p & PAD_BUTTON_LEFT)
{
if (button->state & BUTTON_SHIFT)
{
/* menu clicked */
ret = 2;
}
else
{
selected -= button->shift[2];
if (selected < 0)
{
selected = 0;
if (menu->offset)
menu->offset --;
}
}
}
else if (p & PAD_BUTTON_RIGHT)
{
if (button->state & BUTTON_SHIFT)
{
/* menu clicked */
ret = 1;
}
else
{
selected += button->shift[3];
if (selected >= max_buttons)
{
selected = max_buttons - 1;
if ((menu->offset + selected < (max_items - 1)))
menu->offset ++;
}
}
}
}
if (p & PAD_BUTTON_A)
{
if (selected < max_buttons) ret = 1; /* menu clicked */
else if (selected == max_buttons) menu->offset --; /* up arrow */
else if (selected == (max_buttons+1))menu->offset ++; /* down arrow */
}
else if ((p & PAD_BUTTON_B) || (p & PAD_TRIGGER_Z))
{
/* quit menu */
ret = -1;
}
/* selected item has changed ? */
if (menu->selected != selected)
{
if (selected < max_buttons)
{
/* sound fx */
button = &menu->buttons[selected];
if (button->state & BUTTON_OVER_SFX)
{
ASND_SetVoice(ASND_GetFirstUnusedVoice(),VOICE_MONO_16BIT,22050,0,(u8 *)button_over_pcm,button_over_pcm_size,
((int)config.sfx_volume * 255) / 100,((int)config.sfx_volume * 255) / 100,NULL);
}
}
else if (selected < (max_buttons + 2))
{
/* sound fx */
button = menu->arrows[selected-max_buttons];
if (button->state & BUTTON_OVER_SFX)
{
ASND_SetVoice(ASND_GetFirstUnusedVoice(),VOICE_MONO_16BIT,22050,0,(u8 *)button_over_pcm,button_over_pcm_size,
((int)config.sfx_volume * 255) / 100,((int)config.sfx_volume * 255) / 100,NULL);
}
}
/* update selection */
menu->selected = selected;
}
/* update arrows buttons status (items list) */
button = menu->arrows[0];
if (button)
{
if (menu->offset > 0) button->state |= BUTTON_VISIBLE;
else button->state &= ~BUTTON_VISIBLE;
}
button = menu->arrows[1];
if (button)
{
if ((menu->offset + max_buttons) < max_items) button->state |= BUTTON_VISIBLE;
else button->state &= ~BUTTON_VISIBLE;
}
if (ret > 0)
{
if (selected < max_buttons)
{
/* sound fx */
button = &menu->buttons[selected];
if (button->state & BUTTON_SELECT_SFX)
{
ASND_SetVoice(ASND_GetFirstUnusedVoice(),VOICE_MONO_16BIT,22050,0,(u8 *)button_select_pcm,button_select_pcm_size,
((int)config.sfx_volume * 255) / 100,((int)config.sfx_volume * 255) / 100,NULL);
}
}
}
return ret;
}
int GUI_RunMenu(gui_menu *menu)
{
int update = 0;
/* update menu */
while (!update)
{
GUI_DrawMenu(menu);
update = GUI_UpdateMenu(menu);
}
if (update == 2) return (-2-menu->offset-menu->selected);
else if (update == 1) return (menu->offset + menu->selected);
else return -1;
}
/* basic slide effect for option menus */
void GUI_SlideMenuTitle(gui_menu *m, int title_offset)
{
#ifdef HW_RVL
gui_butn *button;
int i,x,y;
struct orient_t orient;
#endif
char title[64];
strcpy(title,m->title);
while (title_offset > 0)
{
strcpy(m->title,title+title_offset);
m->title[strlen(title)-title_offset-1] = 0;
GUI_DrawMenu(m);
#ifdef HW_RVL
if (m_input.ir.valid)
{
/* get cursor position */
x = m_input.ir.x;
y = m_input.ir.y;
/* draw wiimote pointer */
WPAD_Orientation(0,&orient);
gxResetAngle(orient.roll);
gxDrawTexture(w_pointer,x,y,w_pointer->width,w_pointer->height,255);
gxResetAngle(0.0);
/* check for valid buttons */
m->selected = m->max_buttons + 2;
for (i=0; i<m->max_buttons; i++)
{
button = &m->buttons[i];
if ((button->state & BUTTON_ACTIVE)&&(x>=button->x)&&(x<=(button->x+button->w))&&(y>=button->y)&&(y<=(button->y+button->h)))
{
m->selected = i;
break;
}
}
for (i=0; i<2; i++)
{
button = m->arrows[i];
if (button)
{
if (button->state & BUTTON_VISIBLE)
{
if ((x<=(button->x+button->w))&&(y>=button->y)&&(y<=(button->y+button->h)))
{
m->selected = m->max_buttons + i;
break;
}
}
}
}
}
else
{
/* reinitialize selection */
if (m->selected >= m->max_buttons) m->selected = 0;
}
#endif
gxSetScreen ();
usleep(6000);
title_offset--;
}
strcpy(m->title,title);
}
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