move the pitchscreen out of screens.c.. no functional changes

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17365 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 288 insertions, 253 deletions

diff --git a/apps/SOURCES b/apps/SOURCES
index c4a1cb6..e617d5f 100644
--- a/apps/SOURCES
+++ b/apps/SOURCES
@@ -60,6 +60,9 @@ gui/bitmap/list.c
 gui/charcell/list.c
 #endif
 gui/option_select.c
+#ifdef HAVE_PITCHSCREEN
+gui/pitchscreen.c
+#endif
 #ifdef HAVE_QUICKSCREEN
 gui/quickscreen.c
 #endif
diff --git a/apps/gui/pitchscreen.c b/apps/gui/pitchscreen.c
new file mode 100644
index 0000000..b790835
--- /dev/null
+++ b/apps/gui/pitchscreen.c
@@ -0,0 +1,284 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Björn Stenberg
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdio.h>
+#include "config.h"
+#include "sprintf.h"
+#include "settings.h"
+#include "action.h"
+#include "system.h"
+#include "font.h"
+#include "misc.h"
+#include "dsp.h"
+#include "sound.h"
+#include "pcmbuf.h"
+#include "lang.h"
+#include "icons.h"
+#include "screen_access.h"
+
+#define PITCH_MAX         2000
+#define PITCH_MIN         500
+#define PITCH_SMALL_DELTA 1
+#define PITCH_BIG_DELTA   10
+#define PITCH_NUDGE_DELTA 20
+
+#define PITCH_MODE_ABSOLUTE 1
+#define PITCH_MODE_SEMITONE -PITCH_MODE_ABSOLUTE
+
+static int pitch_mode = PITCH_MODE_ABSOLUTE; /* 1 - absolute, -1 - semitone */
+
+/* returns:
+   0 if no key was pressed
+   1 if USB was connected */
+
+static void pitch_screen_draw(struct screen *display, int pitch, int pitch_mode)
+{
+    unsigned char* ptr;
+    unsigned char buf[32];
+    int w, h;
+
+    display->clear_display();
+
+    if (display->nb_lines < 4) /* very small screen, just show the pitch value */
+    {
+        w = snprintf((char *)buf, sizeof(buf), "%s: %d.%d%%",str(LANG_PITCH),
+                  pitch / 10, pitch % 10 );
+        display->putsxy((display->width-(w*display->char_width))/2,
+                         display->nb_lines/2,buf);
+    }
+    else /* bigger screen, show everything... */
+    {
+
+        /* UP: Pitch Up */
+        if (pitch_mode == PITCH_MODE_ABSOLUTE) {
+            ptr = str(LANG_PITCH_UP);
+        } else {
+            ptr = str(LANG_PITCH_UP_SEMITONE);
+        }
+        display->getstringsize(ptr,&w,&h);
+        display->putsxy((display->width-w)/2, 0, ptr);
+        display->mono_bitmap(bitmap_icons_7x8[Icon_UpArrow],
+                        display->width/2 - 3, h, 7, 8);
+
+        /* DOWN: Pitch Down */
+        if (pitch_mode == PITCH_MODE_ABSOLUTE) {
+            ptr = str(LANG_PITCH_DOWN);
+        } else {
+            ptr = str(LANG_PITCH_DOWN_SEMITONE);
+        }
+        display->getstringsize(ptr,&w,&h);
+        display->putsxy((display->width-w)/2, display->height - h, ptr);
+        display->mono_bitmap(bitmap_icons_7x8[Icon_DownArrow],
+                             display->width/2 - 3, display->height - h*2, 7, 8);
+
+        /* RIGHT: +2% */
+        ptr = "+2%";
+        display->getstringsize(ptr,&w,&h);
+        display->putsxy(display->width-w, (display->height-h)/2, ptr);
+        display->mono_bitmap(bitmap_icons_7x8[Icon_FastForward],
+                             display->width-w-8, (display->height-h)/2, 7, 8);
+
+        /* LEFT: -2% */
+        ptr = "-2%";
+        display->getstringsize(ptr,&w,&h);
+        display->putsxy(0, (display->height-h)/2, ptr);
+        display->mono_bitmap(bitmap_icons_7x8[Icon_FastBackward],
+                             w+1, (display->height-h)/2, 7, 8);
+
+        /* "Pitch" */
+        snprintf((char *)buf, sizeof(buf), str(LANG_PITCH));
+        display->getstringsize(buf,&w,&h);
+        display->putsxy((display->width-w)/2, (display->height/2)-h, buf);
+        /* "XX.X%" */
+        snprintf((char *)buf, sizeof(buf), "%d.%d%%",
+                pitch / 10, pitch % 10 );
+        display->getstringsize(buf,&w,&h);
+        display->putsxy((display->width-w)/2, display->height/2, buf);
+    }
+
+    display->update();
+}
+
+static int pitch_increase(int pitch, int delta, bool allow_cutoff)
+{
+    int new_pitch;
+    
+    if (delta < 0) {
+        if (pitch + delta >= PITCH_MIN) {
+            new_pitch = pitch + delta;
+        } else {
+            if (!allow_cutoff) {
+                return pitch;
+            }
+            new_pitch = PITCH_MIN;
+        }
+    } else if (delta > 0) {
+        if (pitch + delta <= PITCH_MAX) {
+            new_pitch = pitch + delta;
+        } else {
+            if (!allow_cutoff) {
+                return pitch;
+            }
+            new_pitch = PITCH_MAX;
+        }
+    } else {
+        /* delta == 0 -> no real change */
+        return pitch;
+    }
+    sound_set_pitch(new_pitch);
+
+    return new_pitch;
+}
+
+/* Factor for changing the pitch one half tone up.
+   The exact value is 2^(1/12) = 1.05946309436
+   But we use only integer arithmetics, so take
+   rounded factor multiplied by 10^5=100,000. This is
+   enough to get the same promille values as if we
+   had used floating point (checked with a spread
+   sheet).
+ */
+#define PITCH_SEMITONE_FACTOR 105946L
+
+/* Some helpful constants. K is the scaling factor for SEMITONE.
+   N is for more accurate rounding
+   KN is K * N
+ */
+#define PITCH_K_FCT           100000UL
+#define PITCH_N_FCT           10
+#define PITCH_KN_FCT          1000000UL
+
+static int pitch_increase_semitone(int pitch, bool up)
+{
+    uint32_t tmp;
+    uint32_t round_fct; /* How much to scale down at the end */
+    tmp = pitch;
+    if (up) {
+        tmp = tmp * PITCH_SEMITONE_FACTOR;
+        round_fct = PITCH_K_FCT;
+    } else {
+        tmp = (tmp * PITCH_KN_FCT) / PITCH_SEMITONE_FACTOR;
+        round_fct = PITCH_N_FCT;
+    }
+    /* Scaling down with rounding */
+    tmp = (tmp + round_fct / 2) / round_fct;
+    return pitch_increase(pitch, tmp - pitch, false);
+}
+
+bool pitch_screen(void)
+{
+    int button;
+    int pitch = sound_get_pitch();
+    int new_pitch, delta = 0;
+    bool nudged = false;
+    bool exit = false;
+    int i;
+
+#if CONFIG_CODEC == SWCODEC
+    pcmbuf_set_low_latency(true);
+#endif
+
+    while (!exit)
+    {
+        FOR_NB_SCREENS(i)
+            pitch_screen_draw(&screens[i], pitch, pitch_mode);
+
+        button = get_action(CONTEXT_PITCHSCREEN,TIMEOUT_BLOCK);
+        switch (button) {
+            case ACTION_PS_INC_SMALL:
+                delta = PITCH_SMALL_DELTA;
+                break;
+
+            case ACTION_PS_INC_BIG:
+                delta = PITCH_BIG_DELTA;
+                break;
+
+            case ACTION_PS_DEC_SMALL:
+                delta = -PITCH_SMALL_DELTA;
+                break;
+
+            case ACTION_PS_DEC_BIG:
+                delta = -PITCH_BIG_DELTA;
+                break;
+
+            case ACTION_PS_NUDGE_RIGHT:
+                new_pitch = pitch_increase(pitch, PITCH_NUDGE_DELTA, false);
+                nudged = (new_pitch != pitch);
+                pitch = new_pitch;
+                break;
+
+            case ACTION_PS_NUDGE_RIGHTOFF:
+                if (nudged) {
+                    pitch = pitch_increase(pitch, -PITCH_NUDGE_DELTA, false);
+                }
+                nudged = false;
+                break;
+
+            case ACTION_PS_NUDGE_LEFT:
+                new_pitch = pitch_increase(pitch, -PITCH_NUDGE_DELTA, false);
+                nudged = (new_pitch != pitch);
+                pitch = new_pitch;
+                break;
+                
+            case ACTION_PS_NUDGE_LEFTOFF:
+                if (nudged) {
+                    pitch = pitch_increase(pitch, PITCH_NUDGE_DELTA, false);
+                }
+                nudged = false;
+                break;
+
+            case ACTION_PS_RESET:
+                pitch = 1000;
+                sound_set_pitch( pitch );
+                break;
+
+            case ACTION_PS_TOGGLE_MODE:
+                pitch_mode = -pitch_mode;
+                break;
+
+            case ACTION_PS_EXIT:
+                exit = true;
+                break;
+
+            default:
+                if(default_event_handler(button) == SYS_USB_CONNECTED)
+                    return 1;
+                break;
+        }
+        
+        if(delta)
+        {
+            if (pitch_mode == PITCH_MODE_ABSOLUTE) {
+                pitch = pitch_increase(pitch, delta, true);
+            } else {
+                pitch = pitch_increase_semitone(pitch, delta > 0 ? true:false);
+            }
+            
+            delta = 0;
+        }
+        
+    }
+#if CONFIG_CODEC == SWCODEC
+    pcmbuf_set_low_latency(false);
+#endif
+    lcd_setfont(FONT_UI);
+    return 0;
+}
diff --git a/apps/screens.c b/apps/screens.c
index f9dd49b..48a5a87 100644
--- a/apps/screens.c
+++ b/apps/screens.c
@@ -7,7 +7,7 @@
  *                     \/            \/     \/    \/            \/
  * $Id$
  *
- * Copyright (C) 2002 Björn Stenberg
+ * Copyright (C) 2002 Björn Stenberg
  *
  * All files in this archive are subject to the GNU General Public License.
  * See the file COPYING in the source tree root for full license agreement.
@@ -381,258 +381,6 @@ int charging_screen(void)
 }
 #endif /* CONFIG_CHARGING && !HAVE_POWEROFF_WHILE_CHARGING && defined(CPU_SH) */
 
-#ifdef HAVE_PITCHSCREEN
-
-#define PITCH_MAX         2000
-#define PITCH_MIN         500
-#define PITCH_SMALL_DELTA 1
-#define PITCH_BIG_DELTA   10
-#define PITCH_NUDGE_DELTA 20
-
-#define PITCH_MODE_ABSOLUTE 1
-#define PITCH_MODE_SEMITONE -PITCH_MODE_ABSOLUTE
-
-static int pitch_mode = PITCH_MODE_ABSOLUTE; /* 1 - absolute, -1 - semitone */
-
-/* returns:
-   0 if no key was pressed
-   1 if USB was connected */
-
-static void pitch_screen_draw(struct screen *display, int pitch, int pitch_mode)
-{
-    unsigned char* ptr;
-    unsigned char buf[32];
-    int w, h;
-
-    display->clear_display();
-
-    if (display->nb_lines < 4) /* very small screen, just show the pitch value */
-    {
-        w = snprintf((char *)buf, sizeof(buf), "%s: %d.%d%%",str(LANG_PITCH),
-                  pitch / 10, pitch % 10 );
-        display->putsxy((display->width-(w*display->char_width))/2,
-                         display->nb_lines/2,buf);
-    }
-    else /* bigger screen, show everything... */
-    {
-
-        /* UP: Pitch Up */
-        if (pitch_mode == PITCH_MODE_ABSOLUTE) {
-            ptr = str(LANG_PITCH_UP);
-        } else {
-            ptr = str(LANG_PITCH_UP_SEMITONE);
-        }
-        display->getstringsize(ptr,&w,&h);
-        display->putsxy((display->width-w)/2, 0, ptr);
-        display->mono_bitmap(bitmap_icons_7x8[Icon_UpArrow],
-                        display->width/2 - 3, h, 7, 8);
-
-        /* DOWN: Pitch Down */
-        if (pitch_mode == PITCH_MODE_ABSOLUTE) {
-            ptr = str(LANG_PITCH_DOWN);
-        } else {
-            ptr = str(LANG_PITCH_DOWN_SEMITONE);
-        }
-        display->getstringsize(ptr,&w,&h);
-        display->putsxy((display->width-w)/2, display->height - h, ptr);
-        display->mono_bitmap(bitmap_icons_7x8[Icon_DownArrow],
-                             display->width/2 - 3, display->height - h*2, 7, 8);
-
-        /* RIGHT: +2% */
-        ptr = "+2%";
-        display->getstringsize(ptr,&w,&h);
-        display->putsxy(display->width-w, (display->height-h)/2, ptr);
-        display->mono_bitmap(bitmap_icons_7x8[Icon_FastForward],
-                             display->width-w-8, (display->height-h)/2, 7, 8);
-
-        /* LEFT: -2% */
-        ptr = "-2%";
-        display->getstringsize(ptr,&w,&h);
-        display->putsxy(0, (display->height-h)/2, ptr);
-        display->mono_bitmap(bitmap_icons_7x8[Icon_FastBackward],
-                             w+1, (display->height-h)/2, 7, 8);
-
-        /* "Pitch" */
-        snprintf((char *)buf, sizeof(buf), str(LANG_PITCH));
-        display->getstringsize(buf,&w,&h);
-        display->putsxy((display->width-w)/2, (display->height/2)-h, buf);
-        /* "XX.X%" */
-        snprintf((char *)buf, sizeof(buf), "%d.%d%%",
-                pitch / 10, pitch % 10 );
-        display->getstringsize(buf,&w,&h);
-        display->putsxy((display->width-w)/2, display->height/2, buf);
-    }
-
-    display->update();
-}
-
-static int pitch_increase(int pitch, int delta, bool allow_cutoff)
-{
-    int new_pitch;
-    
-    if (delta < 0) {
-        if (pitch + delta >= PITCH_MIN) {
-            new_pitch = pitch + delta;
-        } else {
-            if (!allow_cutoff) {
-                return pitch;
-            }
-            new_pitch = PITCH_MIN;
-        }
-    } else if (delta > 0) {
-        if (pitch + delta <= PITCH_MAX) {
-            new_pitch = pitch + delta;
-        } else {
-            if (!allow_cutoff) {
-                return pitch;
-            }
-            new_pitch = PITCH_MAX;
-        }
-    } else {
-        /* delta == 0 -> no real change */
-        return pitch;
-    }
-    sound_set_pitch(new_pitch);
-
-    return new_pitch;
-}
-
-/* Factor for changing the pitch one half tone up.
-   The exact value is 2^(1/12) = 1.05946309436
-   But we use only integer arithmetics, so take
-   rounded factor multiplied by 10^5=100,000. This is
-   enough to get the same promille values as if we
-   had used floating point (checked with a spread
-   sheet).
- */
-#define PITCH_SEMITONE_FACTOR 105946L
-
-/* Some helpful constants. K is the scaling factor for SEMITONE.
-   N is for more accurate rounding
-   KN is K * N
- */
-#define PITCH_K_FCT           100000UL
-#define PITCH_N_FCT           10
-#define PITCH_KN_FCT          1000000UL
-
-static int pitch_increase_semitone(int pitch, bool up)
-{
-    uint32_t tmp;
-    uint32_t round_fct; /* How much to scale down at the end */
-    tmp = pitch;
-    if (up) {
-        tmp = tmp * PITCH_SEMITONE_FACTOR;
-        round_fct = PITCH_K_FCT;
-    } else {
-        tmp = (tmp * PITCH_KN_FCT) / PITCH_SEMITONE_FACTOR;
-        round_fct = PITCH_N_FCT;
-    }
-    /* Scaling down with rounding */
-    tmp = (tmp + round_fct / 2) / round_fct;
-    return pitch_increase(pitch, tmp - pitch, false);
-}
-
-bool pitch_screen(void)
-{
-    int button;
-    int pitch = sound_get_pitch();
-    int new_pitch, delta = 0;
-    bool nudged = false;
-    bool exit = false;
-    int i;
-
-#if CONFIG_CODEC == SWCODEC
-    pcmbuf_set_low_latency(true);
-#endif
-
-    while (!exit)
-    {
-        FOR_NB_SCREENS(i)
-            pitch_screen_draw(&screens[i], pitch, pitch_mode);
-
-        button = get_action(CONTEXT_PITCHSCREEN,TIMEOUT_BLOCK);
-        switch (button) {
-            case ACTION_PS_INC_SMALL:
-                delta = PITCH_SMALL_DELTA;
-                break;
-
-            case ACTION_PS_INC_BIG:
-                delta = PITCH_BIG_DELTA;
-                break;
-
-            case ACTION_PS_DEC_SMALL:
-                delta = -PITCH_SMALL_DELTA;
-                break;
-
-            case ACTION_PS_DEC_BIG:
-                delta = -PITCH_BIG_DELTA;
-                break;
-
-            case ACTION_PS_NUDGE_RIGHT:
-                new_pitch = pitch_increase(pitch, PITCH_NUDGE_DELTA, false);
-                nudged = (new_pitch != pitch);
-                pitch = new_pitch;
-                break;
-
-            case ACTION_PS_NUDGE_RIGHTOFF:
-                if (nudged) {
-                    pitch = pitch_increase(pitch, -PITCH_NUDGE_DELTA, false);
-                }
-                nudged = false;
-                break;
-
-            case ACTION_PS_NUDGE_LEFT:
-                new_pitch = pitch_increase(pitch, -PITCH_NUDGE_DELTA, false);
-                nudged = (new_pitch != pitch);
-                pitch = new_pitch;
-                break;
-                
-            case ACTION_PS_NUDGE_LEFTOFF:
-                if (nudged) {
-                    pitch = pitch_increase(pitch, PITCH_NUDGE_DELTA, false);
-                }
-                nudged = false;
-                break;
-
-            case ACTION_PS_RESET:
-                pitch = 1000;
-                sound_set_pitch( pitch );
-                break;
-
-            case ACTION_PS_TOGGLE_MODE:
-                pitch_mode = -pitch_mode;
-                break;
-
-            case ACTION_PS_EXIT:
-                exit = true;
-                break;
-
-            default:
-                if(default_event_handler(button) == SYS_USB_CONNECTED)
-                    return 1;
-                break;
-        }
-        
-        if(delta)
-        {
-            if (pitch_mode == PITCH_MODE_ABSOLUTE) {
-                pitch = pitch_increase(pitch, delta, true);
-            } else {
-                pitch = pitch_increase_semitone(pitch, delta > 0 ? true:false);
-            }
-            
-            delta = 0;
-        }
-        
-    }
-#if CONFIG_CODEC == SWCODEC
-    pcmbuf_set_low_latency(false);
-#endif
-    lcd_setfont(FONT_UI);
-    return 0;
-}
-#endif /* HAVE_PITCHSCREEN */
-
 #if CONFIG_CHARGING
 void charging_splash(void)
 {