Allow screenshots (almost) everywhere

arm9/source/common/hid.c

@@ -1,7 +1,8 @@
 #include "hid.h"
 #include "i2c.h"
 #include "timer.h"
-#include "power.h"
+#include "power.h" // for brightness slider
+#include "screenshot.h" // for screenshots
 
 u32 InputWait(u32 timeout_sec) {
     static u64 delay = 0;
@@ -42,8 +43,11 @@ u32 InputWait(u32 timeout_sec) {
         // make sure the key is pressed
         u32 t_pressed = 0;
         for(; (t_pressed < 0x13000) && (pad_state == HID_STATE); t_pressed++);
-        if (t_pressed >= 0x13000)
+        if (t_pressed >= 0x13000) {
+            if ((pad_state & BUTTON_ANY) == (BUTTON_R1 | BUTTON_L1))
+                CreateScreenshot(); // screenshot handling
             return pad_state;
+        }
     }
 }
 

arm9/source/common/screenshot.c

@@ -0,0 +1,50 @@
+#include "common.h"
+#include "ui.h"
+#include "vff.h"
+
+
+void CreateScreenshot() {
+    const u32 snap_size = 54 + (SCREEN_SIZE_TOP * 2);
+    const u8 bmp_header[54] = {
+        0x42, 0x4D, 0x36, 0xCA, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x28, 0x00,
+        0x00, 0x00, 0x90, 0x01, 0x00, 0x00, 0xE0, 0x01, 0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0xCA, 0x08, 0x00, 0x12, 0x0B, 0x00, 0x00, 0x12, 0x0B, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    };
+    
+    char filename[64];
+    static u32 n = 0;
+    
+    fvx_rmkdir(OUTPUT_PATH);
+    for (; n < 1000; n++) {
+        snprintf(filename, 64, OUTPUT_PATH "/snap%03i.bmp", (int) n);
+        if (fvx_stat(filename, NULL) != FR_OK) break;
+    }
+    if (n >= 1000) return;
+    
+    u8* buffer = (u8*) malloc(snap_size);
+    if (!buffer) return;
+    
+    u8* buffer_b = buffer + 54;
+    u8* buffer_t = buffer_b + (400 * 240 * 3);
+    
+    memset(buffer, 0x1F, snap_size); // gray background
+    memcpy(buffer, bmp_header, 54);
+    for (u32 x = 0; x < 400; x++)
+        for (u32 y = 0; y < 240; y++)
+            memcpy(buffer_t + (y*400 + x) * 3, TOP_SCREEN + (x*240 + y) * 3, 3);
+    for (u32 x = 0; x < 320; x++)
+        for (u32 y = 0; y < 240; y++)
+            memcpy(buffer_b + (y*400 + x + 40) * 3, BOT_SCREEN + (x*240 + y) * 3, 3);
+    fvx_qwrite(filename, buffer, 0, snap_size, NULL);
+    
+    // "snap effect"
+    memcpy(buffer_b, BOT_SCREEN, SCREEN_SIZE_BOT);
+    memcpy(buffer_t, TOP_SCREEN, SCREEN_SIZE_TOP);
+    memset(BOT_SCREEN, 0, SCREEN_SIZE_BOT);
+    memset(TOP_SCREEN, 0, SCREEN_SIZE_TOP);
+    memcpy(BOT_SCREEN, buffer_b, SCREEN_SIZE_BOT);
+    memcpy(TOP_SCREEN, buffer_t, SCREEN_SIZE_TOP);
+    
+    free(buffer);
+}

arm9/source/common/screenshot.h

@@ -0,0 +1,3 @@
+#pragma once
+
+void CreateScreenshot();

arm9/source/filesys/fsutil.c

@@ -851,41 +851,3 @@ bool FileSelector(char* result, const char* text, const char* path, const char*
     free(buffer);
     return ret;
 }
-
-void CreateScreenshot() {
-    const u32 snap_size = 54 + (400 * 240 * 3 * 2);
-    const u8 bmp_header[54] = {
-        0x42, 0x4D, 0x36, 0xCA, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x28, 0x00,
-        0x00, 0x00, 0x90, 0x01, 0x00, 0x00, 0xE0, 0x01, 0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00,
-        0x00, 0x00, 0x00, 0xCA, 0x08, 0x00, 0x12, 0x0B, 0x00, 0x00, 0x12, 0x0B, 0x00, 0x00, 0x00, 0x00,
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-    };
-    
-    char filename[64];
-    static u32 n = 0;
-    
-    fvx_rmkdir(OUTPUT_PATH);
-    for (; n < 1000; n++) {
-        snprintf(filename, 64, OUTPUT_PATH "/snap%03i.bmp", (int) n);
-        if (fa_stat(filename, NULL) != FR_OK) break;
-    }
-    if (n >= 1000) return;
-    
-    u8* buffer = (u8*) malloc(snap_size);
-    if (!buffer) return;
-    
-    u8* buffer_b = buffer + 54;
-    u8* buffer_t = buffer_b + (400 * 240 * 3);
-    
-    memset(buffer, 0x1F, snap_size); // gray background
-    memcpy(buffer, bmp_header, 54);
-    for (u32 x = 0; x < 400; x++)
-        for (u32 y = 0; y < 240; y++)
-            memcpy(buffer_t + (y*400 + x) * 3, TOP_SCREEN + (x*240 + y) * 3, 3);
-    for (u32 x = 0; x < 320; x++)
-        for (u32 y = 0; y < 240; y++)
-            memcpy(buffer_b + (y*400 + x + 40) * 3, BOT_SCREEN + (x*240 + y) * 3, 3);
-    FileSetData(filename, buffer, snap_size, 0, true);
-    
-    free(buffer);
-}

arm9/source/filesys/fsutil.h

@@ -85,6 +85,3 @@ bool PathAttr(const char* path, u8 attr, u8 mask);
 
 /** Select a file **/
 bool FileSelector(char* result, const char* text, const char* path, const char* pattern, u32 flags);
-
-/** Create a screenshot of the current framebuffer **/
-void CreateScreenshot();

arm9/source/godmode.c

@@ -434,7 +434,7 @@ u32 FileGraphicsViewer(const char* path) {
         ClearScreenF(true, true, COLOR_STD_BG);
         DrawBitmap(ALT_SCREEN, -1, -1, w, h, bitmap);
         ShowString("Press <A> to continue");
-        InputWait(0);
+        while(!(InputWait(0) & (BUTTON_A | BUTTON_B)));
         ClearScreenF(true, true, COLOR_STD_BG);
     } else ret = 1;
     
@@ -639,8 +639,7 @@ u32 FileHexViewer(const char* path) {
         
         // handle user input
         u32 pad_state = InputWait(0);
-        if ((pad_state & BUTTON_R1) && (pad_state & BUTTON_L1)) CreateScreenshot();
+        if (!edit_mode) { // standard viewer mode
-        else if (!edit_mode) { // standard viewer mode
             u32 step_ud = (pad_state & BUTTON_R1) ? (0x1000  - (0x1000  % cols)) : cols;
             u32 step_lr = (pad_state & BUTTON_R1) ? (0x10000 - (0x10000 % cols)) : total_shown;
             if (pad_state & BUTTON_DOWN) offset += step_ud;
@@ -2244,8 +2243,7 @@ u32 GodMode(int entrypoint) {
             for (u32 c = 1; c < current_dir->n_entries; c++) current_dir->entry[c].marked = 0;
             mark_next = 0;
         } else if (switched && (pad_state & BUTTON_L1)) { // switched L -> screenshot
-            CreateScreenshot();
+            // this is handled in hid.h
-            ClearScreenF(true, true, COLOR_STD_BG);
         } else if (*current_path && (pad_state & BUTTON_L1) && (curr_entry->type != T_DOTDOT)) {
             // unswitched L - mark/unmark single entry
             if (mark_next < -1) mark_next = -1;

arm9/source/utils/gameutil.c

@@ -1684,7 +1684,7 @@ u32 ShowSmdhTitleInfo(Smdh* smdh) {
     WordWrapString(desc_s, lwrap);
     WordWrapString(pub, lwrap);
     ShowIconString(icon, SMDH_DIM_ICON_BIG, SMDH_DIM_ICON_BIG, "%s\n%s\n%s", desc_l, desc_s, pub);
-    InputWait(0);
+    while(!(InputWait(0) & (BUTTON_A | BUTTON_B)));
     ClearScreenF(true, false, COLOR_STD_BG);
     return 0;
 }
@@ -1698,7 +1698,7 @@ u32 ShowTwlIconTitleInfo(TwlIconData* twl_icon) {
         return 1;
     WordWrapString(desc, lwrap);
     ShowIconString(icon, TWLICON_DIM_ICON, TWLICON_DIM_ICON, "%s", desc);
-    InputWait(0);
+    while(!(InputWait(0) & (BUTTON_A | BUTTON_B)));
     ClearScreenF(true, false, COLOR_STD_BG);
     return 0;
 }
@@ -1708,7 +1708,7 @@ u32 ShowGbaFileTitleInfo(const char* path) {
     if ((fvx_qread(path, &agb, 0, sizeof(AgbHeader), NULL) != FR_OK) ||
         (ValidateAgbHeader(&agb) != 0)) return 1;
     ShowString("%.12s (AGB-%.4s)\n%s", agb.game_title, agb.game_code, AGB_DESTSTR(agb.game_code));
-    InputWait(0);
+    while(!(InputWait(0) & (BUTTON_A | BUTTON_B)));
     ClearScreenF(true, false, COLOR_STD_BG);
     return 0;
     

arm9/source/utils/scripting.c

@@ -1461,38 +1461,35 @@ bool MemTextViewer(const char* text, u32 len, u32 start, bool as_script) {
         
         // handle user input
         u32 pad_state = InputWait(0);
-        if ((pad_state & BUTTON_R1) && (pad_state & BUTTON_L1)) CreateScreenshot();
+        char* line0_next = line0;
-        else { // standard viewer mode
+        u32 step_ud = (pad_state & BUTTON_R1) ? TV_NLIN_DISP : 1;
-            char* line0_next = line0;
+        u32 step_lr = (pad_state & BUTTON_R1) ? TV_LLEN_DISP : 1;
-            u32 step_ud = (pad_state & BUTTON_R1) ? TV_NLIN_DISP : 1;
+        bool switched = (pad_state & BUTTON_R1);
-            u32 step_lr = (pad_state & BUTTON_R1) ? TV_LLEN_DISP : 1;
+        if (pad_state & BUTTON_DOWN) line0_next = line_seek(text, len, ww, line0, step_ud);
-            bool switched = (pad_state & BUTTON_R1);
+        else if (pad_state & BUTTON_UP) line0_next = line_seek(text, len, ww, line0, -step_ud);
-            if (pad_state & BUTTON_DOWN) line0_next = line_seek(text, len, ww, line0, step_ud);
+        else if (pad_state & BUTTON_RIGHT) off_disp += step_lr;
-            else if (pad_state & BUTTON_UP) line0_next = line_seek(text, len, ww, line0, -step_ud);
+        else if (pad_state & BUTTON_LEFT) off_disp -= step_lr;
-            else if (pad_state & BUTTON_RIGHT) off_disp += step_lr;
+        else if (switched && (pad_state & BUTTON_X)) {
-            else if (pad_state & BUTTON_LEFT) off_disp -= step_lr;
+            u64 lnext64 = ShowNumberPrompt(lcurr, "Current line: %i\nEnter new line below.", lcurr);
-            else if (switched && (pad_state & BUTTON_X)) {
+            if (lnext64 && (lnext64 != (u64) -1)) line0_next = line_seek(text, len, 0, line0, (int) lnext64 - lcurr);
-                u64 lnext64 = ShowNumberPrompt(lcurr, "Current line: %i\nEnter new line below.", lcurr);
+            ShowString(instr);
-                if (lnext64 && (lnext64 != (u64) -1)) line0_next = line_seek(text, len, 0, line0, (int) lnext64 - lcurr);
+        } else if (switched && (pad_state & BUTTON_Y)) {
-                ShowString(instr);
+            ww = ww ? 0 : TV_LLEN_DISP;
-            } else if (switched && (pad_state & BUTTON_Y)) {
+            line0_next = line_seek(text, len, ww, line0, 0);
-                ww = ww ? 0 : TV_LLEN_DISP;
+        } else if (pad_state & (BUTTON_B|BUTTON_START)) break;
-                line0_next = line_seek(text, len, ww, line0, 0);
+        
-            } else if (pad_state & (BUTTON_B|BUTTON_START)) break;
+        // check for problems, apply changes
-            
+        if (!ww && (line0_next > llast_nww)) line0_next = llast_nww;
-            // check for problems, apply changes
+        else if (ww && (line0_next > llast_ww)) line0_next = llast_ww;
-            if (!ww && (line0_next > llast_nww)) line0_next = llast_nww;
+        if (line0_next < line0) { // fix line number for decrease
-            else if (ww && (line0_next > llast_ww)) line0_next = llast_ww;
+            do if (*(--line0) == '\n') lcurr--;
-            if (line0_next < line0) { // fix line number for decrease
+            while (line0 > line0_next);
-                do if (*(--line0) == '\n') lcurr--;
+        } else { // fix line number for increase / same
-                while (line0 > line0_next);
+            for (; line0_next > line0; line0++)
-            } else { // fix line number for increase / same
+                if (*line0 == '\n') lcurr++;
-                for (; line0_next > line0; line0++)
-                    if (*line0 == '\n') lcurr++;
-            }
-            if (off_disp + TV_LLEN_DISP > llen_max) off_disp = llen_max - TV_LLEN_DISP;
-            if ((off_disp < 0) || ww) off_disp = 0;
         }
+        if (off_disp + TV_LLEN_DISP > llen_max) off_disp = llen_max - TV_LLEN_DISP;
+        if ((off_disp < 0) || ww) off_disp = 0;
     }
     
     // clear screens