Horizontally scroll in larger increments when on the

Linux console because of slow update of unaccelerated fb

CRT.c

@@ -106,6 +106,8 @@ int CRT_colorScheme = 0;
 
 int CRT_colors[LAST_COLORELEMENT] = { 0 };
 
+char* CRT_termType;
+
 // TODO: pass an instance of Settings instead.
 
 void CRT_init(int delay, int colorScheme) {
@@ -124,8 +126,8 @@ void CRT_init(int delay, int colorScheme) {
    } else {
       CRT_hasColors = false;
    }
-   char* termType = getenv("TERM");
-   if (String_eq(termType, "xterm") || String_eq(termType, "xterm-color") || String_eq(termType, "vt220")) {
+   CRT_termType = getenv("TERM");
+   if (String_eq(CRT_termType, "xterm") || String_eq(CRT_termType, "xterm-color") || String_eq(CRT_termType, "vt220")) {
       define_key("\033[H", KEY_HOME);
       define_key("\033[F", KEY_END);
       define_key("\033OP", KEY_F(1));

CRT.h

@@ -107,6 +107,8 @@ extern int CRT_colorScheme;
 
 extern int CRT_colors[LAST_COLORELEMENT];
 
+char* CRT_termType;
+
 // TODO: pass an instance of Settings instead.
 
 void CRT_init(int delay, int colorScheme);

ChangeLog

@@ -11,6 +11,8 @@ What's new in version 0.6.3
   ListBox (and related classes) to Panel.
 * Have configure actually fail when needed libraries or
   headers are not found.
+* Horizontally scroll in larger increments when on the
+  Linux console because of slow update of unaccelerated fb
 
 What's new in version 0.6.2
 

Panel.c

@@ -40,6 +40,7 @@ struct Panel_ {
    Vector* items;
    int selected;
    int scrollV, scrollH;
+   int scrollHAmount;
    int oldSelected;
    bool needsRedraw;
    RichString header;
@@ -92,6 +93,10 @@ void Panel_init(Panel* this, int x, int y, int w, int h, char* type, bool owner)
    this->oldSelected = 0;
    this->needsRedraw = true;
    this->header.len = 0;
+   if (String_eq(CRT_termType, "linux"))
+      this->scrollHAmount = 40;
+   else
+      this->scrollHAmount = 5;
 }
 
 void Panel_done(Panel* this) {
@@ -327,12 +332,12 @@ void Panel_onKey(Panel* this, int key) {
       break;
    case KEY_LEFT:
       if (this->scrollH > 0) {
-         this->scrollH -= 5;
+         this->scrollH -= this->scrollHAmount;
          this->needsRedraw = true;
       }
       break;
    case KEY_RIGHT:
-      this->scrollH += 5;
+      this->scrollH += this->scrollHAmount;
       this->needsRedraw = true;
       break;
    case KEY_PPAGE:

Panel.h

@@ -13,6 +13,7 @@ in the source distribution for its full text.
 #include "Vector.h"
 #include "CRT.h"
 #include "RichString.h"
+#include "ListItem.h"
 
 #include <math.h>
 #include <stdbool.h>
@@ -41,6 +42,7 @@ struct Panel_ {
    Vector* items;
    int selected;
    int scrollV, scrollH;
+   int scrollHAmount;
    int oldSelected;
    bool needsRedraw;
    RichString header;